518053668 has 24 divisors (see below), whose sum is σ = 1318682400. Its totient is φ = 156985920.

The previous prime is 518053607. The next prime is 518053673. The reversal of 518053668 is 866350815.

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, 1962193 + ... + 1962456.

It is an arithmetic number, because the mean of its divisors is an integer number (54945100).

Almost surely, 2^518053668 is an apocalyptic number.

It is an amenable number.

518053668 is an abundant number, since it is smaller than the sum of its proper divisors (800628732).

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

518053668 is a wasteful number, since it uses less digits than its factorization.

518053668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924667 (or 3924665 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 518053668 is about 22760.7923412169. The cubic root of 518053668 is about 803.1406066865.

The spelling of 518053668 in words is "five hundred eighteen million, fifty-three thousand, six hundred sixty-eight".