680373168 has 80 divisors (see below), whose sum is σ = 1823487456. Its totient is φ = 218419200.

The previous prime is 680373101. The next prime is 680373179. The reversal of 680373168 is 861373086.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177480 + ... + 181272.

Almost surely, 2^680373168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680373168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911743728).

680373168 is an abundant number, since it is smaller than the sum of its proper divisors (1143114288).

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

680373168 is a wasteful number, since it uses less digits than its factorization.

680373168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 680373168 is about 26083.9638092066. The cubic root of 680373168 is about 879.5267634601.

The spelling of 680373168 in words is "six hundred eighty million, three hundred seventy-three thousand, one hundred sixty-eight".