631152081600 has 84 divisors (see below), whose sum is σ = 2070704803464. Its totient is φ = 168307220480.

The previous prime is 631152081559. The next prime is 631152081613. The reversal of 631152081600 is 6180251136.

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 11 ways as a sum of consecutive naturals, for example, 65740209 + ... + 65749808.

Almost surely, 2^631152081600 is an apocalyptic number.

631152081600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

631152081600 is an abundant number, since it is smaller than the sum of its proper divisors (1439552721864).

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

631152081600 is a wasteful number, since it uses less digits than its factorization.

631152081600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131490042 (or 131490027 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 631152081600 in words is "six hundred thirty-one billion, one hundred fifty-two million, eighty-one thousand, six hundred".