631875705216 has 256 divisors, whose sum is σ = 2039983680000. Its totient is φ = 169269460992.

The previous prime is 631875705199. The next prime is 631875705217. The reversal of 631875705216 is 612507578136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631875705217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4890210 + ... + 5017758.

It is an arithmetic number, because the mean of its divisors is an integer number (7968686250).

Almost surely, 2^631875705216 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 631875705216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019991840000).

631875705216 is an abundant number, since it is smaller than the sum of its proper divisors (1408107974784).

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

631875705216 is a wasteful number, since it uses less digits than its factorization.

631875705216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127689 (or 127677 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 631875705216 in words is "six hundred thirty-one billion, eight hundred seventy-five million, seven hundred five thousand, two hundred sixteen".