316161613 has 16 divisors (see below), whose sum is σ = 327069936. Its totient is φ = 305510400.

The previous prime is 316161583. The next prime is 316161647.

It is a happy number.

316161613 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 104329 + 316057284 = 323^2 + 17778^2 .

It is a cyclic number.

It is not a de Polignac number, because 316161613 - 2⁵ = 316161581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316161113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009945 + ... + 1010257.

It is an arithmetic number, because the mean of its divisors is an integer number (20441871).

Almost surely, 2^316161613 is an apocalyptic number.

It is an amenable number.

316161613 is a deficient number, since it is larger than the sum of its proper divisors (10908323).

316161613 is a wasteful number, since it uses less digits than its factorization.

316161613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its digits is 1944, while the sum is 28.

The square root of 316161613 is about 17780.9339743445. The cubic root of 316161613 is about 681.2445582934.

The spelling of 316161613 in words is "three hundred sixteen million, one hundred sixty-one thousand, six hundred thirteen".