318201066 has 12 divisors (see below), whose sum is σ = 689435682. Its totient is φ = 106067016.

The previous prime is 318201049. The next prime is 318201083. The reversal of 318201066 is 660102813.

318201066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (318201049) and next prime (318201083).

It can be written as a sum of positive squares in only one way, i.e., 314885025 + 3316041 = 17745^2 + 1821^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8838901 + ... + 8838936.

Almost surely, 2^318201066 is an apocalyptic number.

318201066 is an abundant number, since it is smaller than the sum of its proper divisors (371234616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318201066 is a wasteful number, since it uses less digits than its factorization.

318201066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17677845 (or 17677842 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 318201066 is about 17838.1912199640. The cubic root of 318201066 is about 682.7062468892.

Adding to 318201066 its reverse (660102813), we get a palindrome (978303879).

The spelling of 318201066 in words is "three hundred eighteen million, two hundred one thousand, sixty-six".