668014813400 has 48 divisors (see below), whose sum is σ = 1694328486840. Its totient is φ = 242914476800.

The previous prime is 668014813387. The next prime is 668014813457. The reversal of 668014813400 is 4318410866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151819349 + ... + 151823748.

Almost surely, 2^668014813400 is an apocalyptic number.

It is an amenable number.

668014813400 is an abundant number, since it is smaller than the sum of its proper divisors (1026313673440).

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

668014813400 is a wasteful number, since it uses less digits than its factorization.

668014813400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303643124 (or 303643115 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 668014813400 in words is "six hundred sixty-eight billion, fourteen million, eight hundred thirteen thousand, four hundred".