316665652 has 6 divisors (see below), whose sum is σ = 554164898. Its totient is φ = 158332824.

The previous prime is 316665641. The next prime is 316665653. The reversal of 316665652 is 256566613.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 233600656 + 83064996 = 15284^2 + 9114^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316665653) 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 as a sum of consecutive naturals, namely, 39583203 + ... + 39583210.

Almost surely, 2^316665652 is an apocalyptic number.

It is an amenable number.

316665652 is a deficient number, since it is larger than the sum of its proper divisors (237499246).

316665652 is a wasteful number, since it uses less digits than its factorization.

316665652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79166417 (or 79166415 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The square root of 316665652 is about 17795.1019103572. The cubic root of 316665652 is about 681.6063896050.

The spelling of 316665652 in words is "three hundred sixteen million, six hundred sixty-five thousand, six hundred fifty-two".