668032284308 has 48 divisors (see below), whose sum is σ = 1241497857600. Its totient is φ = 313436597760.

The previous prime is 668032284287. The next prime is 668032284331. The reversal of 668032284308 is 803482230866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33343238 + ... + 33363266.

It is an arithmetic number, because the mean of its divisors is an integer number (25864538700).

Almost surely, 2^668032284308 is an apocalyptic number.

668032284308 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

668032284308 is a deficient number, since it is larger than the sum of its proper divisors (573465573292).

668032284308 is a wasteful number, since it uses less digits than its factorization.

668032284308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21480 (or 21478 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 668032284308 in words is "six hundred sixty-eight billion, thirty-two million, two hundred eighty-four thousand, three hundred eight".