680734014668 has 24 divisors (see below), whose sum is σ = 1200458906640. Its totient is φ = 337748221440.

The previous prime is 680734014641. The next prime is 680734014683. The reversal of 680734014668 is 866410437086.

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, 800948 + ... + 1415268.

It is an arithmetic number, because the mean of its divisors is an integer number (50019121110).

Almost surely, 2^680734014668 is an apocalyptic number.

It is an amenable number.

680734014668 is a deficient number, since it is larger than the sum of its proper divisors (519724891972).

680734014668 is a wasteful number, since it uses less digits than its factorization.

680734014668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616457 (or 616455 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 680734014668 in words is "six hundred eighty billion, seven hundred thirty-four million, fourteen thousand, six hundred sixty-eight".