631637379116 has 24 divisors (see below), whose sum is σ = 1170429207696. Its totient is φ = 297230376960.

The previous prime is 631637379097. The next prime is 631637379161. The reversal of 631637379116 is 611973736136.

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 7 ways as a sum of consecutive naturals, for example, 1916396 + ... + 2221676.

It is an arithmetic number, because the mean of its divisors is an integer number (48767883654).

Almost surely, 2^631637379116 is an apocalyptic number.

It is an amenable number.

631637379116 is a deficient number, since it is larger than the sum of its proper divisors (538791828580).

631637379116 is a wasteful number, since it uses less digits than its factorization.

631637379116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335729 (or 335727 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 53.

The spelling of 631637379116 in words is "six hundred thirty-one billion, six hundred thirty-seven million, three hundred seventy-nine thousand, one hundred sixteen".