680734674180 has 192 divisors, whose sum is σ = 2338896994560. Its totient is φ = 165026471040.

The previous prime is 680734674173. The next prime is 680734674199. The reversal of 680734674180 is 81476437086.

680734674180 is a `hidden beast` number, since 68 + 0 + 7 + 3 + 467 + 41 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226279 + ... + 1188558.

It is an arithmetic number, because the mean of its divisors is an integer number (12181755180).

Almost surely, 2^680734674180 is an apocalyptic number.

680734674180 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680734674180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169448497280).

680734674180 is an abundant number, since it is smaller than the sum of its proper divisors (1658162320380).

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

680734674180 is a wasteful number, since it uses less digits than its factorization.

680734674180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414878 (or 1414858 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 680734674180 in words is "six hundred eighty billion, seven hundred thirty-four million, six hundred seventy-four thousand, one hundred eighty".