668160209336 has 32 divisors (see below), whose sum is σ = 1257794805600. Its totient is φ = 332750745600.

The previous prime is 668160209323. The next prime is 668160209363. The reversal of 668160209336 is 633902061866.

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, 2004245 + ... + 2313723.

It is an arithmetic number, because the mean of its divisors is an integer number (39306087675).

Almost surely, 2^668160209336 is an apocalyptic number.

It is an amenable number.

668160209336 is a deficient number, since it is larger than the sum of its proper divisors (589634596264).

668160209336 is a wasteful number, since it uses less digits than its factorization.

668160209336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310559 (or 310555 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 668160209336 in words is "six hundred sixty-eight billion, one hundred sixty million, two hundred nine thousand, three hundred thirty-six".