680748599616 has 56 divisors (see below), whose sum is σ = 1895944574880. Its totient is φ = 214973240832.

The previous prime is 680748599593. The next prime is 680748599617. The reversal of 680748599616 is 616995847086.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680748599617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93300711 + ... + 93308006.

Almost surely, 2^680748599616 is an apocalyptic number.

It is an amenable number.

680748599616 is an abundant number, since it is smaller than the sum of its proper divisors (1215195975264).

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

680748599616 is a wasteful number, since it uses less digits than its factorization.

680748599616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186608751 (or 186608741 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 680748599616 in words is "six hundred eighty billion, seven hundred forty-eight million, five hundred ninety-nine thousand, six hundred sixteen".