680768506043016 has 128 divisors (see below), whose sum is σ = 1747452091507200. Its totient is φ = 220933346549760.

The previous prime is 680768506042931. The next prime is 680768506043027. The reversal of 680768506043016 is 610340605867086.

It is a super-2 number, since 2×680768506043016² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641267536 + ... + 642328256.

It is an arithmetic number, because the mean of its divisors is an integer number (13651969464900).

Almost surely, 2^{680768506043016} is an apocalyptic number.

It is an amenable number.

680768506043016 is an abundant number, since it is smaller than the sum of its proper divisors (1066683585464184).

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

680768506043016 is a wasteful number, since it uses less digits than its factorization.

680768506043016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065519 (or 1065515 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 680768506043016 in words is "six hundred eighty trillion, seven hundred sixty-eight billion, five hundred six million, forty-three thousand, sixteen".