680134670068 has 24 divisors (see below), whose sum is σ = 1360482939200. Its totient is φ = 291440515968.

The previous prime is 680134670051. The next prime is 680134670147. The reversal of 680134670068 is 860076431086.

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, 1725333 + ... + 2082556.

Almost surely, 2^680134670068 is an apocalyptic number.

It is an amenable number.

680134670068 is an abundant number, since it is smaller than the sum of its proper divisors (680348269132).

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

680134670068 is a wasteful number, since it uses less digits than its factorization.

680134670068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814279 (or 3814277 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 680134670068 in words is "six hundred eighty billion, one hundred thirty-four million, six hundred seventy thousand, sixty-eight".