318980066 has 8 divisors (see below), whose sum is σ = 479916624. Its totient is φ = 159007860.

The previous prime is 318980047. The next prime is 318980069. The reversal of 318980066 is 660089813.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (318980069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240260 + ... + 241583.

It is an arithmetic number, because the mean of its divisors is an integer number (59989578).

Almost surely, 2^318980066 is an apocalyptic number.

318980066 is a deficient number, since it is larger than the sum of its proper divisors (160936558).

318980066 is a wasteful number, since it uses less digits than its factorization.

318980066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482176.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 318980066 is about 17860.0130459079. The cubic root of 318980066 is about 683.2629124866.

The spelling of 318980066 in words is "three hundred eighteen million, nine hundred eighty thousand, sixty-six".