631907016 has 256 divisors, whose sum is σ = 1910092800. Its totient is φ = 172440576.

The previous prime is 631906999. The next prime is 631907099. The reversal of 631907016 is 610709136.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9431415 + ... + 9431481.

It is an arithmetic number, because the mean of its divisors is an integer number (7461300).

Almost surely, 2^631907016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631907016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955046400).

631907016 is an abundant number, since it is smaller than the sum of its proper divisors (1278185784).

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

631907016 is a wasteful number, since it uses less digits than its factorization.

631907016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 631907016 is about 25137.7607594630. The cubic root of 631907016 is about 858.1259968953.

The spelling of 631907016 in words is "six hundred thirty-one million, nine hundred seven thousand, sixteen".