680157175368 has 64 divisors (see below), whose sum is σ = 1952604345600. Its totient is φ = 195260431680.

The previous prime is 680157175363. The next prime is 680157175427. The reversal of 680157175368 is 863571751086.

680157175368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×680157175368² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (680157175363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67793746 + ... + 67803777.

It is an arithmetic number, because the mean of its divisors is an integer number (30509442900).

Almost surely, 2^680157175368 is an apocalyptic number.

It is an amenable number.

680157175368 is an abundant number, since it is smaller than the sum of its proper divisors (1272447170232).

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

680157175368 is a wasteful number, since it uses less digits than its factorization.

680157175368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135597562 (or 135597558 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 680157175368 in words is "six hundred eighty billion, one hundred fifty-seven million, one hundred seventy-five thousand, three hundred sixty-eight".