56656168256 has 14 divisors (see below), whose sum is σ = 112427084010. Its totient is φ = 28328084096.

The previous prime is 56656168181. The next prime is 56656168279. The reversal of 56656168256 is 65286165665.

It can be written as a sum of positive squares in only one way, i.e., 28566408256 + 28089760000 = 169016^2 + 167600^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442626251 + ... + 442626378.

Almost surely, 2^56656168256 is an apocalyptic number.

It is an amenable number.

56656168256 is a deficient number, since it is larger than the sum of its proper divisors (55770915754).

56656168256 is an equidigital number, since it uses as much as digits as its factorization.

56656168256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885252641 (or 885252631 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 56.

The spelling of 56656168256 in words is "fifty-six billion, six hundred fifty-six million, one hundred sixty-eight thousand, two hundred fifty-six".