668052315298 has 16 divisors (see below), whose sum is σ = 1021079727360. Its totient is φ = 327693568176.

The previous prime is 668052315263. The next prime is 668052315299. The reversal of 668052315298 is 892513250866.

It is not an unprimeable number, because it can be changed into a prime (668052315299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887311 + ... + 1457197.

It is an arithmetic number, because the mean of its divisors is an integer number (63817482960).

Almost surely, 2^668052315298 is an apocalyptic number.

668052315298 is a deficient number, since it is larger than the sum of its proper divisors (353027412062).

668052315298 is a wasteful number, since it uses less digits than its factorization.

668052315298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581001.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 668052315298 in words is "six hundred sixty-eight billion, fifty-two million, three hundred fifteen thousand, two hundred ninety-eight".