518383668 has 48 divisors (see below), whose sum is σ = 1321096896. Its totient is φ = 156898560.

The previous prime is 518383661. The next prime is 518383753. The reversal of 518383668 is 866383815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518383661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142480 + ... + 146072.

It is an arithmetic number, because the mean of its divisors is an integer number (27522852).

Almost surely, 2^518383668 is an apocalyptic number.

It is an amenable number.

518383668 is an abundant number, since it is smaller than the sum of its proper divisors (802713228).

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

518383668 is a wasteful number, since it uses less digits than its factorization.

518383668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704 (or 4702 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 518383668 is about 22768.0404953962. The cubic root of 518383668 is about 803.3111039151.

The spelling of 518383668 in words is "five hundred eighteen million, three hundred eighty-three thousand, six hundred sixty-eight".