668352248032 has 48 divisors (see below), whose sum is σ = 1517100514272. Its totient is φ = 283901829120.

The previous prime is 668352247987. The next prime is 668352248087. The reversal of 668352248032 is 230842253866.

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, 13176969 + ... + 13227592.

It is an arithmetic number, because the mean of its divisors is an integer number (31606260714).

Almost surely, 2^668352248032 is an apocalyptic number.

It is an amenable number.

668352248032 is an abundant number, since it is smaller than the sum of its proper divisors (848748266240).

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

668352248032 is a wasteful number, since it uses less digits than its factorization.

668352248032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26404691 (or 26404683 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 668352248032 in words is "six hundred sixty-eight billion, three hundred fifty-two million, two hundred forty-eight thousand, thirty-two".