630543164 has 48 divisors (see below), whose sum is σ = 1156474368. Its totient is φ = 300588288.

The previous prime is 630543157. The next prime is 630543167. The reversal of 630543164 is 461345036.

630543164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 630543164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630543167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423127 + ... + 1423569.

It is an arithmetic number, because the mean of its divisors is an integer number (24093216).

Almost surely, 2^630543164 is an apocalyptic number.

It is an amenable number.

630543164 is a deficient number, since it is larger than the sum of its proper divisors (525931204).

630543164 is a wasteful number, since it uses less digits than its factorization.

630543164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 630543164 is about 25110.6185507247. The cubic root of 630543164 is about 857.5081845502.

The spelling of 630543164 in words is "six hundred thirty million, five hundred forty-three thousand, one hundred sixty-four".