68845157184 has 56 divisors (see below), whose sum is σ = 182727587808. Its totient is φ = 22875973120.

The previous prime is 68845157179. The next prime is 68845157197. The reversal of 68845157184 is 48175154886.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 504702 + ... + 626429.

Almost surely, 2^68845157184 is an apocalyptic number.

68845157184 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68845157184 is an abundant number, since it is smaller than the sum of its proper divisors (113882430624).

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

68845157184 is a wasteful number, since it uses less digits than its factorization.

68845157184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131463 (or 1131453 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 57.

The spelling of 68845157184 in words is "sixty-eight billion, eight hundred forty-five million, one hundred fifty-seven thousand, one hundred eighty-four".