56616677271 has 32 divisors (see below), whose sum is σ = 104573376000. Its totient is φ = 29411259840.

The previous prime is 56616677269. The next prime is 56616677281. The reversal of 56616677271 is 17277661665.

56616677271 is a `hidden beast` number, since 566 + 1 + 6 + 6 + 7 + 7 + 2 + 71 = 666.

It is not a de Polignac number, because 56616677271 - 2¹ = 56616677269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56616677251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13614246 + ... + 13618403.

It is an arithmetic number, because the mean of its divisors is an integer number (3267918000).

Almost surely, 2^56616677271 is an apocalyptic number.

56616677271 is a deficient number, since it is larger than the sum of its proper divisors (47956698729).

56616677271 is a wasteful number, since it uses less digits than its factorization.

56616677271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27232676 (or 27232670 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The spelling of 56616677271 in words is "fifty-six billion, six hundred sixteen million, six hundred seventy-seven thousand, two hundred seventy-one".