3656646704 has 20 divisors (see below), whose sum is σ = 7085692320. Its totient is φ = 1828080960.

The previous prime is 3656646689. The next prime is 3656646713. The reversal of 3656646704 is 4076466563.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218474 + ... + 234614.

It is an arithmetic number, because the mean of its divisors is an integer number (354284616).

Almost surely, 2^3656646704 is an apocalyptic number.

It is an amenable number.

3656646704 is a deficient number, since it is larger than the sum of its proper divisors (3429045616).

3656646704 is a wasteful number, since it uses less digits than its factorization.

3656646704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30308 (or 30302 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 47.

The square root of 3656646704 is about 60470.2133616213. The cubic root of 3656646704 is about 1540.6157519665.

The spelling of 3656646704 in words is "three billion, six hundred fifty-six million, six hundred forty-six thousand, seven hundred four".