56631613106 has 64 divisors (see below), whose sum is σ = 90613168128. Its totient is φ = 26510934528.

The previous prime is 56631613097. The next prime is 56631613139. The reversal of 56631613106 is 60131613665.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56631613106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63845795 + ... + 63846681.

It is an arithmetic number, because the mean of its divisors is an integer number (1415830752).

Almost surely, 2^56631613106 is an apocalyptic number.

56631613106 is a deficient number, since it is larger than the sum of its proper divisors (33981555022).

56631613106 is a wasteful number, since it uses less digits than its factorization.

56631613106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 56631613106 in words is "fifty-six billion, six hundred thirty-one million, six hundred thirteen thousand, one hundred six".