64926882156 has 48 divisors (see below), whose sum is σ = 163178153600. Its totient is φ = 20026403712.

The previous prime is 64926882151. The next prime is 64926882179. The reversal of 64926882156 is 65128862946.

It is a happy number.

It is a super-2 number, since 2×64926882156² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 64926882096 and 64926882105.

It is not an unprimeable number, because it can be changed into a prime (64926882151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301441 + ... + 3321048.

Almost surely, 2^64926882156 is an apocalyptic number.

It is an amenable number.

64926882156 is an abundant number, since it is smaller than the sum of its proper divisors (98251271444).

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

64926882156 is a wasteful number, since it uses less digits than its factorization.

64926882156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622558 (or 6622556 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 64926882156 in words is "sixty-four billion, nine hundred twenty-six million, eight hundred eighty-two thousand, one hundred fifty-six".