3660645436664 has 32 divisors (see below), whose sum is σ = 6879588318720. Its totient is φ = 1826089900896.

The previous prime is 3660645436649. The next prime is 3660645436673. The reversal of 3660645436664 is 4666345460663.

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, 22495577 + ... + 22657719.

It is an arithmetic number, because the mean of its divisors is an integer number (214987134960).

Almost surely, 2^{3660645436664} is an apocalyptic number.

It is an amenable number.

3660645436664 is a deficient number, since it is larger than the sum of its proper divisors (3218942882056).

3660645436664 is a wasteful number, since it uses less digits than its factorization.

3660645436664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168659 (or 168655 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 59.

The spelling of 3660645436664 in words is "three trillion, six hundred sixty billion, six hundred forty-five million, four hundred thirty-six thousand, six hundred sixty-four".