680595018680 has 32 divisors (see below), whose sum is σ = 1531382757840. Its totient is φ = 272230191360.

The previous prime is 680595018601. The next prime is 680595018703. The reversal of 680595018680 is 86810595086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284500 + ... + 1735260.

Almost surely, 2^680595018680 is an apocalyptic number.

It is an amenable number.

680595018680 is an abundant number, since it is smaller than the sum of its proper divisors (850787739160).

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

680595018680 is a wasteful number, since it uses less digits than its factorization.

680595018680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488519 (or 488515 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 56.

The spelling of 680595018680 in words is "six hundred eighty billion, five hundred ninety-five million, eighteen thousand, six hundred eighty".