668592764160 has 144 divisors (see below), whose sum is σ = 2167189394496. Its totient is φ = 175630270464.

The previous prime is 668592764123. The next prime is 668592764179. The reversal of 668592764160 is 61467295866.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 668592764094 and 668592764103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042069 + ... + 1556628.

Almost surely, 2^668592764160 is an apocalyptic number.

668592764160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

668592764160 is an abundant number, since it is smaller than the sum of its proper divisors (1498596630336).

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

668592764160 is a wasteful number, since it uses less digits than its factorization.

668592764160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598788 (or 2598774 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 668592764160 in words is "six hundred sixty-eight billion, five hundred ninety-two million, seven hundred sixty-four thousand, one hundred sixty".