316399161 has 8 divisors (see below), whose sum is σ = 454316800. Its totient is φ = 194707152.

The previous prime is 316399157. The next prime is 316399199. The reversal of 316399161 is 161993613.

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

It is not a de Polignac number, because 316399161 - 2² = 316399157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 8112799 = 316399161 / (3 + 1 + 6 + 3 + 9 + 9 + 1 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316399151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4056361 + ... + 4056438.

It is an arithmetic number, because the mean of its divisors is an integer number (56789600).

Almost surely, 2^316399161 is an apocalyptic number.

It is an amenable number.

316399161 is a deficient number, since it is larger than the sum of its proper divisors (137917639).

316399161 is a wasteful number, since it uses less digits than its factorization.

316399161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8112815.

The product of its digits is 26244, while the sum is 39.

The square root of 316399161 is about 17787.6125716747. The cubic root of 316399161 is about 681.4151332596.

The spelling of 316399161 in words is "three hundred sixteen million, three hundred ninety-nine thousand, one hundred sixty-one".