631522161225136 has 20 divisors (see below), whose sum is σ = 1295549139572712. Its totient is φ = 297186899399936.

The previous prime is 631522161225121. The next prime is 631522161225143.

631522161225136 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160886325510 + ... + 1160886326053.

Almost surely, 2^{631522161225136} is an apocalyptic number.

It is an amenable number.

631522161225136 is an abundant number, since it is smaller than the sum of its proper divisors (664026978347576).

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

631522161225136 is a wasteful number, since it uses less digits than its factorization.

631522161225136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321772651588 (or 2321772651582 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 631522161225136 in words is "six hundred thirty-one trillion, five hundred twenty-two billion, one hundred sixty-one million, two hundred twenty-five thousand, one hundred thirty-six".