316664320 has 160 divisors (see below), whose sum is σ = 890942976. Its totient is φ = 105676800.

The previous prime is 316664303. The next prime is 316664323. The reversal of 316664320 is 23466613.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×316664320² = 200552583122124800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316664323) 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, 734505 + ... + 734935.

Almost surely, 2^316664320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316664320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445471488).

316664320 is an abundant number, since it is smaller than the sum of its proper divisors (574278656).

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

316664320 is an equidigital number, since it uses as much as digits as its factorization.

316664320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 316664320 is about 17795.0644842889. The cubic root of 316664320 is about 681.6054339167.

The spelling of 316664320 in words is "three hundred sixteen million, six hundred sixty-four thousand, three hundred twenty".