318112066 has 4 divisors (see below), whose sum is σ = 477168102. Its totient is φ = 159056032.

The previous prime is 318112061. The next prime is 318112087. The reversal of 318112066 is 660211813.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 198669025 + 119443041 = 14095^2 + 10929^2 .

It is not an unprimeable number, because it can be changed into a prime (318112061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79528015 + ... + 79528018.

Almost surely, 2^318112066 is an apocalyptic number.

318112066 is a deficient number, since it is larger than the sum of its proper divisors (159056036).

318112066 is a wasteful number, since it uses less digits than its factorization.

318112066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159056035.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 318112066 is about 17835.6963979543. The cubic root of 318112066 is about 682.6425905744.

Adding to 318112066 its reverse (660211813), we get a palindrome (978323879).

The spelling of 318112066 in words is "three hundred eighteen million, one hundred twelve thousand, sixty-six".