162631794788 has 48 divisors (see below), whose sum is σ = 302167971504. Its totient is φ = 76324454400.

The previous prime is 162631794779. The next prime is 162631794821. The reversal of 162631794788 is 887497136261.

It can be written as a sum of positive squares in 8 ways, for example, as 16556483584 + 146075311204 = 128672^2 + 382198^2 .

It is a super-2 number, since 2×162631794788² (a number of 23 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 162631794788.

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 15 ways as a sum of consecutive naturals, for example, 58562456 + ... + 58565232.

It is an arithmetic number, because the mean of its divisors is an integer number (6295166073).

Almost surely, 2^162631794788 is an apocalyptic number.

It is an amenable number.

162631794788 is a deficient number, since it is larger than the sum of its proper divisors (139536176716).

162631794788 is a wasteful number, since it uses less digits than its factorization.

162631794788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832 (or 4830 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 62.

The spelling of 162631794788 in words is "one hundred sixty-two billion, six hundred thirty-one million, seven hundred ninety-four thousand, seven hundred eighty-eight".