3656560556 has 48 divisors (see below), whose sum is σ = 7198063488. Its totient is φ = 1610918400.

The previous prime is 3656560553. The next prime is 3656560561. The reversal of 3656560556 is 6550656563.

It is a self number, because there is not a number n which added to its sum of digits gives 3656560556.

It is not an unprimeable number, because it can be changed into a prime (3656560553) 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, 240476 + ... + 255228.

It is an arithmetic number, because the mean of its divisors is an integer number (149959656).

Almost surely, 2^3656560556 is an apocalyptic number.

It is an amenable number.

3656560556 is a deficient number, since it is larger than the sum of its proper divisors (3541502932).

3656560556 is a wasteful number, since it uses less digits than its factorization.

3656560556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14942 (or 14940 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 47.

The square root of 3656560556 is about 60469.5010397804. The cubic root of 3656560556 is about 1540.6036532671.

The spelling of 3656560556 in words is "three billion, six hundred fifty-six million, five hundred sixty thousand, five hundred fifty-six".