3660664616 has 32 divisors (see below), whose sum is σ = 7846682880. Its totient is φ = 1568376000.

The previous prime is 3660664591. The next prime is 3660664627. The reversal of 3660664616 is 6164660663.

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, 222266 + ... + 238166.

It is an arithmetic number, because the mean of its divisors is an integer number (245208840).

Almost surely, 2^3660664616 is an apocalyptic number.

It is an amenable number.

3660664616 is an abundant number, since it is smaller than the sum of its proper divisors (4186018264).

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

3660664616 is a wasteful number, since it uses less digits than its factorization.

3660664616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20025 (or 20021 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The square root of 3660664616 is about 60503.4264814812. The cubic root of 3660664616 is about 1541.1798200135.

The spelling of 3660664616 in words is "three billion, six hundred sixty million, six hundred sixty-four thousand, six hundred sixteen".