631662016 has 28 divisors (see below), whose sum is σ = 1257216688. Its totient is φ = 314883072.

The previous prime is 631662007. The next prime is 631662067. The reversal of 631662016 is 610266136.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6925 + ... + 36211.

It is an arithmetic number, because the mean of its divisors is an integer number (44900596).

Almost surely, 2^631662016 is an apocalyptic number.

It is an amenable number.

631662016 is a deficient number, since it is larger than the sum of its proper divisors (625554672).

631662016 is a wasteful number, since it uses less digits than its factorization.

631662016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29636 (or 29626 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 631662016 is about 25132.8871401596. The cubic root of 631662016 is about 858.0150797081.

The spelling of 631662016 in words is "six hundred thirty-one million, six hundred sixty-two thousand, sixteen".