36797572656 has 120 divisors (see below), whose sum is σ = 112722240176. Its totient is φ = 11136683520.

The previous prime is 36797572627. The next prime is 36797572687. The reversal of 36797572656 is 65627579763.

36797572656 is a `hidden beast` number, since 3 + 6 + 7 + 9 + 7 + 572 + 6 + 56 = 666.

It is a super-2 number, since 2×36797572656² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36797572593 and 36797572602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46930 + ... + 275313.

Almost surely, 2^36797572656 is an apocalyptic number.

36797572656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36797572656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56361120088).

36797572656 is an abundant number, since it is smaller than the sum of its proper divisors (75924667520).

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

36797572656 is a wasteful number, since it uses less digits than its factorization.

36797572656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322331 (or 322322 counting only the distinct ones).

The product of its digits is 100018800, while the sum is 63.

The spelling of 36797572656 in words is "thirty-six billion, seven hundred ninety-seven million, five hundred seventy-two thousand, six hundred fifty-six".