518716416 has 88 divisors (see below), whose sum is σ = 1455498880. Its totient is φ = 163786752.

The previous prime is 518716399. The next prime is 518716421. The reversal of 518716416 is 614617815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53925 + ... + 62811.

It is an arithmetic number, because the mean of its divisors is an integer number (16539760).

Almost surely, 2^518716416 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 518716416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727749440).

518716416 is an abundant number, since it is smaller than the sum of its proper divisors (936782464).

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

518716416 is a wasteful number, since it uses less digits than its factorization.

518716416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8929 (or 8911 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 518716416 is about 22775.3466713462. The cubic root of 518716416 is about 803.4829476718.

The spelling of 518716416 in words is "five hundred eighteen million, seven hundred sixteen thousand, four hundred sixteen".