668370176307 has 24 divisors (see below), whose sum is σ = 983889391680. Its totient is φ = 437089788720.

The previous prime is 668370176261. The next prime is 668370176321. The reversal of 668370176307 is 703671073866.

It is a happy number.

It is not a de Polignac number, because 668370176307 - 2¹⁴ = 668370159923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (668370176387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099669 + ... + 1595622.

It is an arithmetic number, because the mean of its divisors is an integer number (40995391320).

Almost surely, 2^668370176307 is an apocalyptic number.

668370176307 is a deficient number, since it is larger than the sum of its proper divisors (315519215373).

668370176307 is a wasteful number, since it uses less digits than its factorization.

668370176307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695823 (or 2695820 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 668370176307 in words is "six hundred sixty-eight billion, three hundred seventy million, one hundred seventy-six thousand, three hundred seven".