518564466 has 48 divisors (see below), whose sum is σ = 1325495808. Its totient is φ = 143380800.

The previous prime is 518564443. The next prime is 518564503. The reversal of 518564466 is 664465815.

518564466 is a `hidden beast` number, since 5 + 185 + 6 + 4 + 466 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62475 + ... + 70286.

It is an arithmetic number, because the mean of its divisors is an integer number (27614496).

Almost surely, 2^518564466 is an apocalyptic number.

518564466 is an abundant number, since it is smaller than the sum of its proper divisors (806931342).

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

518564466 is a wasteful number, since it uses less digits than its factorization.

518564466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132807 (or 132804 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 518564466 is about 22772.0105831699. The cubic root of 518564466 is about 803.4044840171.

The spelling of 518564466 in words is "five hundred eighteen million, five hundred sixty-four thousand, four hundred sixty-six".