668083847624 has 32 divisors (see below), whose sum is σ = 1305175032000. Its totient is φ = 320202910272.

The previous prime is 668083847623. The next prime is 668083847677. The reversal of 668083847624 is 426748380866.

It is not an unprimeable number, because it can be changed into a prime (668083847623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10326284 + ... + 10390779.

It is an arithmetic number, because the mean of its divisors is an integer number (40786719750).

Almost surely, 2^668083847624 is an apocalyptic number.

It is an amenable number.

668083847624 is a deficient number, since it is larger than the sum of its proper divisors (637091184376).

668083847624 is a wasteful number, since it uses less digits than its factorization.

668083847624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20717237 (or 20717233 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 62.

The spelling of 668083847624 in words is "six hundred sixty-eight billion, eighty-three million, eight hundred forty-seven thousand, six hundred twenty-four".