631016392468 has 36 divisors (see below), whose sum is σ = 1387193068576. Its totient is φ = 245850541200.

The previous prime is 631016392459. The next prime is 631016392471. The reversal of 631016392468 is 864293610136.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93121818 + ... + 93128593.

Almost surely, 2^631016392468 is an apocalyptic number.

It is an amenable number.

631016392468 is an abundant number, since it is smaller than the sum of its proper divisors (756176676108).

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

631016392468 is a wasteful number, since it uses less digits than its factorization.

631016392468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186250444 (or 186250431 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 631016392468 in words is "six hundred thirty-one billion, sixteen million, three hundred ninety-two thousand, four hundred sixty-eight".