668180204 has 12 divisors (see below), whose sum is σ = 1169730744. Its totient is φ = 333971424.

The previous prime is 668180197. The next prime is 668180209. The reversal of 668180204 is 402081866.

It is not an unprimeable number, because it can be changed into a prime (668180209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16337 + ... + 40040.

It is an arithmetic number, because the mean of its divisors is an integer number (97477562).

Almost surely, 2^668180204 is an apocalyptic number.

It is an amenable number.

668180204 is a deficient number, since it is larger than the sum of its proper divisors (501550540).

668180204 is a wasteful number, since it uses less digits than its factorization.

668180204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59344 (or 59342 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 668180204 is about 25849.1818826051. The cubic root of 668180204 is about 874.2410633914.

The spelling of 668180204 in words is "six hundred sixty-eight million, one hundred eighty thousand, two hundred four".