916868320 has 96 divisors (see below), whose sum is σ = 2291913792. Its totient is φ = 345894912.

The previous prime is 916868311. The next prime is 916868357. The reversal of 916868320 is 23868619.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266934 + ... + 270346.

It is an arithmetic number, because the mean of its divisors is an integer number (23874102).

Almost surely, 2^916868320 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 916868320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145956896).

916868320 is an abundant number, since it is smaller than the sum of its proper divisors (1375045472).

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

916868320 is a wasteful number, since it uses less digits than its factorization.

916868320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 916868320 is about 30279.8335530432. The cubic root of 916868320 is about 971.4840075466.

The spelling of 916868320 in words is "nine hundred sixteen million, eight hundred sixty-eight thousand, three hundred twenty".