56166644 has 24 divisors (see below), whose sum is σ = 104509440. Its totient is φ = 26353184.

The previous prime is 56166631. The next prime is 56166659. The reversal of 56166644 is 44666165.

It is a junction number, because it is equal to n+sod(n) for n = 56166598 and 56166607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884 + ... + 10635.

It is an arithmetic number, because the mean of its divisors is an integer number (4354560).

Almost surely, 2^56166644 is an apocalyptic number.

It is an amenable number.

56166644 is a deficient number, since it is larger than the sum of its proper divisors (48342796).

56166644 is a wasteful number, since it uses less digits than its factorization.

56166644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599 (or 11597 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 56166644 is about 7494.4408730739. The cubic root of 56166644 is about 382.9653589595.

The spelling of 56166644 in words is "fifty-six million, one hundred sixty-six thousand, six hundred forty-four".