668201369496 has 16 divisors (see below), whose sum is σ = 1670503423800. Its totient is φ = 222733789824.

The previous prime is 668201369393. The next prime is 668201369513. The reversal of 668201369496 is 694963102866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13920861841 + ... + 13920861888.

Almost surely, 2^668201369496 is an apocalyptic number.

It is an amenable number.

668201369496 is an abundant number, since it is smaller than the sum of its proper divisors (1002302054304).

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

668201369496 is a wasteful number, since it uses less digits than its factorization.

668201369496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27841723738 (or 27841723734 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 60.

The spelling of 668201369496 in words is "six hundred sixty-eight billion, two hundred one million, three hundred sixty-nine thousand, four hundred ninety-six".