9566137399896 has 1440 divisors, whose sum is σ = 35925024096000. Its totient is φ = 2245918752000.

The previous prime is 9566137399873. The next prime is 9566137399909. The reversal of 9566137399896 is 6989937316659.

9566137399896 is a `hidden beast` number, since 9 + 5 + 6 + 6 + 137 + 399 + 8 + 96 = 666.

Its product of digits (3571283520) is a multiple of the sum of its prime divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 134734329541 + ... + 134734329611.

It is an arithmetic number, because the mean of its divisors is an integer number (24947933400).

Almost surely, 2^{9566137399896} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9566137399896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17962512048000).

9566137399896 is an abundant number, since it is smaller than the sum of its proper divisors (26358886696104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9566137399896 is a wasteful number, since it uses less digits than its factorization.

9566137399896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 144 counting only the distinct ones).

The product of its digits is 3571283520, while the sum is 81.

The spelling of 9566137399896 in words is "nine trillion, five hundred sixty-six billion, one hundred thirty-seven million, three hundred ninety-nine thousand, eight hundred ninety-six".