318245664 has 96 divisors (see below), whose sum is σ = 951035904. Its totient is φ = 92238080.

The previous prime is 318245581. The next prime is 318245677. The reversal of 318245664 is 466542813.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 17737 + ... + 30839.

It is an arithmetic number, because the mean of its divisors is an integer number (9906624).

Almost surely, 2^318245664 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 318245664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475517952).

318245664 is an abundant number, since it is smaller than the sum of its proper divisors (632790240).

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

318245664 is a wasteful number, since it uses less digits than its factorization.

318245664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13150 (or 13142 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 318245664 is about 17839.4412468552. The cubic root of 318245664 is about 682.7381406760.

The spelling of 318245664 in words is "three hundred eighteen million, two hundred forty-five thousand, six hundred sixty-four".