630492168 has 32 divisors (see below), whose sum is σ = 1578015360. Its totient is φ = 209926080.

The previous prime is 630492133. The next prime is 630492179. The reversal of 630492168 is 861294036.

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, 7446 + ... + 36282.

It is an arithmetic number, because the mean of its divisors is an integer number (49312980).

Almost surely, 2^630492168 is an apocalyptic number.

It is an amenable number.

630492168 is an abundant number, since it is smaller than the sum of its proper divisors (947523192).

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

630492168 is a wasteful number, since it uses less digits than its factorization.

630492168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29757 (or 29753 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 630492168 is about 25109.6031031954. The cubic root of 630492168 is about 857.4850665630.

The spelling of 630492168 in words is "six hundred thirty million, four hundred ninety-two thousand, one hundred sixty-eight".