668003713696 has 48 divisors (see below), whose sum is σ = 1435915863648. Its totient is φ = 303378566400.

The previous prime is 668003713691. The next prime is 668003713697. The reversal of 668003713696 is 696317300866.

It is not an unprimeable number, because it can be changed into a prime (668003713691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398115 + ... + 1222498.

It is an arithmetic number, because the mean of its divisors is an integer number (29914913826).

Almost surely, 2^668003713696 is an apocalyptic number.

It is an amenable number.

668003713696 is an abundant number, since it is smaller than the sum of its proper divisors (767912149952).

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

668003713696 is a wasteful number, since it uses less digits than its factorization.

668003713696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621805 (or 1621797 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 668003713696 in words is "six hundred sixty-eight billion, three million, seven hundred thirteen thousand, six hundred ninety-six".