630689016 has 16 divisors (see below), whose sum is σ = 1576722600. Its totient is φ = 210229664.

The previous prime is 630689011. The next prime is 630689039. The reversal of 630689016 is 610986036.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630689011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13139331 + ... + 13139378.

Almost surely, 2^630689016 is an apocalyptic number.

It is an amenable number.

630689016 is an abundant number, since it is smaller than the sum of its proper divisors (946033584).

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

630689016 is a wasteful number, since it uses less digits than its factorization.

630689016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26278718 (or 26278714 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 630689016 is about 25113.5225725106. The cubic root of 630689016 is about 857.5742966732.

The spelling of 630689016 in words is "six hundred thirty million, six hundred eighty-nine thousand, sixteen".