630664100 has 54 divisors (see below), whose sum is σ = 1504293042. Its totient is φ = 229328000.

The previous prime is 630664087. The next prime is 630664121. The reversal of 630664100 is 1466036.

630664100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 83759104 + 546904996 = 9152^2 + 23386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 630664100.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13961 + ... + 38160.

Almost surely, 2^630664100 is an apocalyptic number.

It is an amenable number.

630664100 is an abundant number, since it is smaller than the sum of its proper divisors (873628942).

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

630664100 is a wasteful number, since it uses less digits than its factorization.

630664100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52157 (or 52139 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 630664100 is about 25113.0265002050. The cubic root of 630664100 is about 857.5630034145.

The spelling of 630664100 in words is "six hundred thirty million, six hundred sixty-four thousand, one hundred".