3646012664 has 32 divisors (see below), whose sum is σ = 7836528000. Its totient is φ = 1557848160.

The previous prime is 3646012651. The next prime is 3646012679. The reversal of 3646012664 is 4662106463.

It is a happy number.

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, 79814 + ... + 116885.

It is an arithmetic number, because the mean of its divisors is an integer number (244891500).

Almost surely, 2^3646012664 is an apocalyptic number.

It is an amenable number.

3646012664 is an abundant number, since it is smaller than the sum of its proper divisors (4190515336).

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

3646012664 is a wasteful number, since it uses less digits than its factorization.

3646012664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197043 (or 197039 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 3646012664 is about 60382.2214231971. The cubic root of 3646012664 is about 1539.1208598892.

The spelling of 3646012664 in words is "three billion, six hundred forty-six million, twelve thousand, six hundred sixty-four".