630625616 has 40 divisors (see below), whose sum is σ = 1259975904. Its totient is φ = 305585280.

The previous prime is 630625613. The next prime is 630625631. The reversal of 630625616 is 616526036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630625613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86630 + ... + 93626.

Almost surely, 2^630625616 is an apocalyptic number.

It is an amenable number.

630625616 is a deficient number, since it is larger than the sum of its proper divisors (629350288).

630625616 is a wasteful number, since it uses less digits than its factorization.

630625616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7179 (or 7173 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 630625616 is about 25112.2602726238. The cubic root of 630625616 is about 857.5455598309.

The spelling of 630625616 in words is "six hundred thirty million, six hundred twenty-five thousand, six hundred sixteen".