168075631868 has 24 divisors (see below), whose sum is σ = 298509923712. Its totient is φ = 82789772544.

The previous prime is 168075631859. The next prime is 168075631877. The reversal of 168075631868 is 868136570861.

168075631868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (168075631859) and next prime (168075631877).

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, 85580 + ... + 586067.

It is an arithmetic number, because the mean of its divisors is an integer number (12437913488).

Almost surely, 2^168075631868 is an apocalyptic number.

It is an amenable number.

168075631868 is a deficient number, since it is larger than the sum of its proper divisors (130434291844).

168075631868 is a wasteful number, since it uses less digits than its factorization.

168075631868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672581 (or 672579 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 168075631868 in words is "one hundred sixty-eight billion, seventy-five million, six hundred thirty-one thousand, eight hundred sixty-eight".