56166524644 has 24 divisors (see below), whose sum is σ = 105416821440. Its totient is φ = 26103209184.

The previous prime is 56166524641. The next prime is 56166524651. The reversal of 56166524644 is 44642566165.

It is not an unprimeable number, because it can be changed into a prime (56166524641) 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, 6967984 + ... + 6976039.

It is an arithmetic number, because the mean of its divisors is an integer number (4392367560).

Almost surely, 2^56166524644 is an apocalyptic number.

It is an amenable number.

56166524644 is a deficient number, since it is larger than the sum of its proper divisors (49250296796).

56166524644 is a wasteful number, since it uses less digits than its factorization.

56166524644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13944099 (or 13944097 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 49.

The spelling of 56166524644 in words is "fifty-six billion, one hundred sixty-six million, five hundred twenty-four thousand, six hundred forty-four".