668074754748 has 48 divisors (see below), whose sum is σ = 1614430669824. Its totient is φ = 214883686080.

The previous prime is 668074754731. The next prime is 668074754783. The reversal of 668074754748 is 847457470866.

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, 8301715 + ... + 8381802.

It is an arithmetic number, because the mean of its divisors is an integer number (33633972288).

Almost surely, 2^668074754748 is an apocalyptic number.

It is an amenable number.

668074754748 is an abundant number, since it is smaller than the sum of its proper divisors (946355915076).

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

668074754748 is a wasteful number, since it uses less digits than its factorization.

668074754748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16683642 (or 16683640 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 66.

The spelling of 668074754748 in words is "six hundred sixty-eight billion, seventy-four million, seven hundred fifty-four thousand, seven hundred forty-eight".