Virtually all bracket pools disregard these games and only have players pick from the first round, when 64 teams remain. Therefore, there are 63 games in a normal NCAA tournament bracket. As such, the number of possible outcomes for a bracket is 2^63, or 9,223,372,036,854,775,808. That’s 9.2 quintillion.Click to see full answer. Similarly one may ask, how many combinations of brackets are there?There are more than nine quintillion different bracket combinations — that’s a nine, followed by 18 zeros.Subsequently, question is, has anyone got perfect bracket? Nigl, 40 of the Northeast Side, has a perfect bracket through 48 games of the NCAA men’s basketball tournament, the most games in a row that anyone has ever correctly predicted in NCAA.com’s tournament challenge. The odds of a perfect bracket are up for debate. Some say it’s 1 in 9.2 quintillion. Also know, how many brackets are still alive 2019? There were 17.2 million brackets entered in the ESPN Tournament Challenge for the 2019 NCAA tournament. After one round, only nine are still perfect.How long would it take to fill out every bracket possibility?–If everyone on the planet filled out one bracket per second, it would take more than 43 years to fill out every possible bracket. –If one bracket per second was filled out, it would take 292 billion years to fill out all the possibilities.