316816 has 10 divisors (see below), whose sum is σ = 613862. Its totient is φ = 158400.

The previous prime is 316801. The next prime is 316817. The reversal of 316816 is 618613.

It can be written as a sum of positive squares in only one way, i.e., 160000 + 156816 = 400^2 + 396^2 .

It is not an unprimeable number, because it can be changed into a prime (316817) by changing a digit.

316816 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9885 + ... + 9916.

2³¹⁶⁸¹⁶ is an apocalyptic number.

It is an amenable number.

316816 is a deficient number, since it is larger than the sum of its proper divisors (297046).

316816 is a wasteful number, since it uses less digits than its factorization.

316816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19809 (or 19803 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 316816 is about 562.8641043804. The cubic root of 316816 is about 68.1714244628.

The spelling of 316816 in words is "three hundred sixteen thousand, eight hundred sixteen".