680901607516 has 12 divisors (see below), whose sum is σ = 1283237645032. Its totient is φ = 314262280368.

The previous prime is 680901607493. The next prime is 680901607553. The reversal of 680901607516 is 615706109086.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 680901607516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6547130790 + ... + 6547130893.

Almost surely, 2^680901607516 is an apocalyptic number.

It is an amenable number.

680901607516 is a deficient number, since it is larger than the sum of its proper divisors (602336037516).

680901607516 is a wasteful number, since it uses less digits than its factorization.

680901607516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13094261700 (or 13094261698 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 680901607516 in words is "six hundred eighty billion, nine hundred one million, six hundred seven thousand, five hundred sixteen".