680068013368 has 16 divisors (see below), whose sum is σ = 1276005129480. Its totient is φ = 339799978848.

The previous prime is 680068013309. The next prime is 680068013393. The reversal of 680068013368 is 863310860086.

It is a happy number.

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, 29241130 + ... + 29264377.

Almost surely, 2^680068013368 is an apocalyptic number.

It is an amenable number.

680068013368 is a deficient number, since it is larger than the sum of its proper divisors (595937116112).

680068013368 is a wasteful number, since it uses less digits than its factorization.

680068013368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58506966 (or 58506962 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 680068013368 in words is "six hundred eighty billion, sixty-eight million, thirteen thousand, three hundred sixty-eight".