56166710677 has 16 divisors (see below), whose sum is σ = 73070641152. Its totient is φ = 41863385520.

The previous prime is 56166710657. The next prime is 56166710701. The reversal of 56166710677 is 77601766165.

It is not a de Polignac number, because 56166710677 - 2⁷ = 56166710549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56166710617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15855573 + ... + 15859114.

It is an arithmetic number, because the mean of its divisors is an integer number (4566915072).

Almost surely, 2^56166710677 is an apocalyptic number.

It is an amenable number.

56166710677 is a deficient number, since it is larger than the sum of its proper divisors (16903930475).

56166710677 is a wasteful number, since it uses less digits than its factorization.

56166710677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31714728.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 56166710677 in words is "fifty-six billion, one hundred sixty-six million, seven hundred ten thousand, six hundred seventy-seven".