668683622230 has 32 divisors (see below), whose sum is σ = 1309580574624. Its totient is φ = 244353217536.

The previous prime is 668683622221. The next prime is 668683622261. The reversal of 668683622230 is 32226386866.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 26501412 + ... + 26526631.

It is an arithmetic number, because the mean of its divisors is an integer number (40924392957).

Almost surely, 2^668683622230 is an apocalyptic number.

668683622230 is a deficient number, since it is larger than the sum of its proper divisors (640896952394).

668683622230 is a wasteful number, since it uses less digits than its factorization.

668683622230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53028160.

The product of its (nonzero) digits is 5971968, while the sum is 52.

The spelling of 668683622230 in words is "six hundred sixty-eight billion, six hundred eighty-three million, six hundred twenty-two thousand, two hundred thirty".