631127902816 has 24 divisors (see below), whose sum is σ = 1242551979144. Its totient is φ = 315559146240.

The previous prime is 631127902793. The next prime is 631127902829. The reversal of 631127902816 is 618209721136.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3002436 + ... + 3205756.

It is an arithmetic number, because the mean of its divisors is an integer number (51772999131).

Almost surely, 2^631127902816 is an apocalyptic number.

It is an amenable number.

631127902816 is a deficient number, since it is larger than the sum of its proper divisors (611424076328).

631127902816 is a wasteful number, since it uses less digits than its factorization.

631127902816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300334 (or 300326 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 631127902816 in words is "six hundred thirty-one billion, one hundred twenty-seven million, nine hundred two thousand, eight hundred sixteen".