518701416 has 64 divisors (see below), whose sum is σ = 1378036800. Its totient is φ = 162137088.

The previous prime is 518701397. The next prime is 518701429. The reversal of 518701416 is 614107815.

It is a happy 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, 117375 + ... + 121713.

It is an arithmetic number, because the mean of its divisors is an integer number (21531825).

Almost surely, 2^518701416 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 518701416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689018400).

518701416 is an abundant number, since it is smaller than the sum of its proper divisors (859335384).

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

518701416 is a wasteful number, since it uses less digits than its factorization.

518701416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658 (or 4654 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 518701416 is about 22775.0173655258. The cubic root of 518701416 is about 803.4752026818.

The spelling of 518701416 in words is "five hundred eighteen million, seven hundred one thousand, four hundred sixteen".