680355617574 has 16 divisors (see below), whose sum is σ = 1361218427712. Its totient is φ = 226700673768.

The previous prime is 680355617561. The next prime is 680355617587. The reversal of 680355617574 is 475716553086.

It is an interprime number because it is at equal distance from previous prime (680355617561) and next prime (680355617587).

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, 21115584 + ... + 21147779.

It is an arithmetic number, because the mean of its divisors is an integer number (85076151732).

Almost surely, 2^680355617574 is an apocalyptic number.

680355617574 is an abundant number, since it is smaller than the sum of its proper divisors (680862810138).

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

680355617574 is a wasteful number, since it uses less digits than its factorization.

680355617574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42266051.

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 680355617574 in words is "six hundred eighty billion, three hundred fifty-five million, six hundred seventeen thousand, five hundred seventy-four".