668296294 has 16 divisors (see below), whose sum is σ = 1033285968. Its totient is φ = 323933472.

The previous prime is 668296289. The next prime is 668296319. The reversal of 668296294 is 492692866.

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, 4197 + ... + 36799.

It is an arithmetic number, because the mean of its divisors is an integer number (64580373).

Almost surely, 2^668296294 is an apocalyptic number.

668296294 is a deficient number, since it is larger than the sum of its proper divisors (364989674).

668296294 is a wasteful number, since it uses less digits than its factorization.

668296294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32919.

The product of its digits is 2239488, while the sum is 52.

The square root of 668296294 is about 25851.4273106922. The cubic root of 668296294 is about 874.2916908356.

The spelling of 668296294 in words is "six hundred sixty-eight million, two hundred ninety-six thousand, two hundred ninety-four".