68731600080 has 160 divisors (see below), whose sum is σ = 250317728640. Its totient is φ = 15380490240.

The previous prime is 68731600073. The next prime is 68731600129. The reversal of 68731600080 is 8000613786.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967015 + ... + 1035654.

It is an arithmetic number, because the mean of its divisors is an integer number (1564485804).

Almost surely, 2^68731600080 is an apocalyptic number.

68731600080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68731600080 is an abundant number, since it is smaller than the sum of its proper divisors (181586128560).

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

68731600080 is a wasteful number, since it uses less digits than its factorization.

68731600080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002709 (or 2002703 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 68731600080 in words is "sixty-eight billion, seven hundred thirty-one million, six hundred thousand, eighty".