56682028665 has 16 divisors (see below), whose sum is σ = 100768051200. Its totient is φ = 30230415216.

The previous prime is 56682028657. The next prime is 56682028679.

56682028665 is nontrivially palindromic in base 10.

56682028665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56682028665 - 2³ = 56682028657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209933305 + ... + 209933574.

It is an arithmetic number, because the mean of its divisors is an integer number (6298003200).

Almost surely, 2^56682028665 is an apocalyptic number.

It is an amenable number.

56682028665 is a deficient number, since it is larger than the sum of its proper divisors (44086022535).

56682028665 is a wasteful number, since it uses less digits than its factorization.

56682028665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419866893 (or 419866887 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 56682028665 in words is "fifty-six billion, six hundred eighty-two million, twenty-eight thousand, six hundred sixty-five".