56610866086 has 16 divisors (see below), whose sum is σ = 85413081600. Its totient is φ = 28140072840.

The previous prime is 56610866021. The next prime is 56610866089. The reversal of 56610866086 is 68066801665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56610866089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432165 + ... + 547711.

It is an arithmetic number, because the mean of its divisors is an integer number (5338317600).

Almost surely, 2^56610866086 is an apocalyptic number.

56610866086 is a deficient number, since it is larger than the sum of its proper divisors (28802215514).

56610866086 is a wasteful number, since it uses less digits than its factorization.

56610866086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116979.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 56610866086 in words is "fifty-six billion, six hundred ten million, eight hundred sixty-six thousand, eighty-six".