630537164 has 12 divisors (see below), whose sum is σ = 1107735384. Its totient is φ = 314041344.

The previous prime is 630537163. The next prime is 630537181. The reversal of 630537164 is 461735036.

It is not an unprimeable number, because it can be changed into a prime (630537161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305654 + ... + 307709.

It is an arithmetic number, because the mean of its divisors is an integer number (92311282).

Almost surely, 2^630537164 is an apocalyptic number.

It is an amenable number.

630537164 is a deficient number, since it is larger than the sum of its proper divisors (477198220).

630537164 is a wasteful number, since it uses less digits than its factorization.

630537164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613624 (or 613622 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 630537164 is about 25110.4990790705. The cubic root of 630537164 is about 857.5054646383.

The spelling of 630537164 in words is "six hundred thirty million, five hundred thirty-seven thousand, one hundred sixty-four".