631006463216 has 40 divisors (see below), whose sum is σ = 1324595671344. Its totient is φ = 290038533120.

The previous prime is 631006463207. The next prime is 631006463221. The reversal of 631006463216 is 612364600136.

It is a super-2 number, since 2×631006463216² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 631006463216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26963615 + ... + 26987006.

Almost surely, 2^631006463216 is an apocalyptic number.

It is an amenable number.

631006463216 is an abundant number, since it is smaller than the sum of its proper divisors (693589208128).

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

631006463216 is a wasteful number, since it uses less digits than its factorization.

631006463216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53950689 (or 53950683 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 631006463216 in words is "six hundred thirty-one billion, six million, four hundred sixty-three thousand, two hundred sixteen".