252162064656 has 80 divisors (see below), whose sum is σ = 724086740800. Its totient is φ = 84020550912.

The previous prime is 252162064643. The next prime is 252162064673. The reversal of 252162064656 is 656460261252.

252162064656 is a `hidden beast` number, since 2 + 521 + 6 + 2 + 0 + 64 + 65 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981900 + ... + 1211796.

It is an arithmetic number, because the mean of its divisors is an integer number (9051084260).

Almost surely, 2^252162064656 is an apocalyptic number.

It is an amenable number.

252162064656 is an abundant number, since it is smaller than the sum of its proper divisors (471924676144).

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

252162064656 is a wasteful number, since it uses less digits than its factorization.

252162064656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232453 (or 232441 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 252162064656 in words is "two hundred fifty-two billion, one hundred sixty-two million, sixty-four thousand, six hundred fifty-six".