316216456 has 32 divisors (see below), whose sum is σ = 634025880. Its totient is φ = 147328000.

The previous prime is 316216421. The next prime is 316216513. The reversal of 316216456 is 654612613.

It can be written as a sum of positive squares in 4 ways, for example, as 308002500 + 8213956 = 17550^2 + 2866^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2226 + ... + 25246.

Almost surely, 2^316216456 is an apocalyptic number.

It is an amenable number.

316216456 is an abundant number, since it is smaller than the sum of its proper divisors (317809424).

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

316216456 is a wasteful number, since it uses less digits than its factorization.

316216456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23145 (or 23141 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 316216456 is about 17782.4760930530. The cubic root of 316216456 is about 681.2839467303.

The spelling of 316216456 in words is "three hundred sixteen million, two hundred sixteen thousand, four hundred fifty-six".