630051664 has 40 divisors (see below), whose sum is σ = 1334298528. Its totient is φ = 285828480.

The previous prime is 630051563. The next prime is 630051677. The reversal of 630051664 is 466150036.

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, 94819 + ... + 101245.

Almost surely, 2^630051664 is an apocalyptic number.

It is an amenable number.

630051664 is an abundant number, since it is smaller than the sum of its proper divisors (704246864).

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

630051664 is a wasteful number, since it uses less digits than its factorization.

630051664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7003 (or 6997 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 630051664 is about 25100.8299464380. The cubic root of 630051664 is about 857.2853212301.

The spelling of 630051664 in words is "six hundred thirty million, fifty-one thousand, six hundred sixty-four".