56706657156 has 18 divisors (see below), whose sum is σ = 143341827902. Its totient is φ = 18902219040.

The previous prime is 56706657127. The next prime is 56706657169. The reversal of 56706657156 is 65175660765.

56706657156 is a `hidden beast` number, since 5 + 6 + 7 + 0 + 66 + 571 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33225998400 + 23480658756 = 182280^2 + 153234^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787592425 + ... + 787592496.

Almost surely, 2^56706657156 is an apocalyptic number.

It is an amenable number.

56706657156 is an abundant number, since it is smaller than the sum of its proper divisors (86635170746).

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

56706657156 is a wasteful number, since it uses less digits than its factorization.

56706657156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575184931 (or 1575184926 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 54.

The spelling of 56706657156 in words is "fifty-six billion, seven hundred six million, six hundred fifty-seven thousand, one hundred fifty-six".