668022584832 has 80 divisors (see below), whose sum is σ = 1977393282480. Its totient is φ = 222674190336.

The previous prime is 668022584821. The next prime is 668022584861. The reversal of 668022584832 is 238485220866.

It is a happy number.

668022584832 is a `hidden beast` number, since 6 + 6 + 8 + 0 + 22 + 584 + 8 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24147873 + ... + 24175520.

It is an arithmetic number, because the mean of its divisors is an integer number (24717416031).

Almost surely, 2^668022584832 is an apocalyptic number.

It is an amenable number.

668022584832 is an abundant number, since it is smaller than the sum of its proper divisors (1309370697648).

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

668022584832 is an equidigital number, since it uses as much as digits as its factorization.

668022584832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48323420 (or 48323398 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 668022584832 in words is "six hundred sixty-eight billion, twenty-two million, five hundred eighty-four thousand, eight hundred thirty-two".