56660956570 has 16 divisors (see below), whose sum is σ = 102999522888. Its totient is φ = 22439982400.

The previous prime is 56660956567. The next prime is 56660956577. The reversal of 56660956570 is 7565906665.

It can be written as a sum of positive squares in 4 ways, for example, as 55525738321 + 1135218249 = 235639^2 + 33693^2 .

It is not an unprimeable number, because it can be changed into a prime (56660956577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28048969 + ... + 28050988.

Almost surely, 2^56660956570 is an apocalyptic number.

56660956570 is a deficient number, since it is larger than the sum of its proper divisors (46338566318).

56660956570 is a wasteful number, since it uses less digits than its factorization.

56660956570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56100065.

The product of its (nonzero) digits is 10206000, while the sum is 55.

The spelling of 56660956570 in words is "fifty-six billion, six hundred sixty million, nine hundred fifty-six thousand, five hundred seventy".