3656566984 has 48 divisors (see below), whose sum is σ = 7981459200. Its totient is φ = 1565913888.

The previous prime is 3656566973. The next prime is 3656566997. The reversal of 3656566984 is 4896656563.

3656566984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686877 + ... + 692179.

It is an arithmetic number, because the mean of its divisors is an integer number (166280400).

Almost surely, 2^3656566984 is an apocalyptic number.

It is an amenable number.

3656566984 is an abundant number, since it is smaller than the sum of its proper divisors (4324892216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3656566984 is a wasteful number, since it uses less digits than its factorization.

3656566984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082 (or 7071 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 58.

The square root of 3656566984 is about 60469.5541905181. The cubic root of 3656566984 is about 1540.6045560275.

The spelling of 3656566984 in words is "three billion, six hundred fifty-six million, five hundred sixty-six thousand, nine hundred eighty-four".