518089918 has 8 divisors (see below), whose sum is σ = 802203840. Its totient is φ = 250688640.

The previous prime is 518089889. The next prime is 518089921. The reversal of 518089918 is 819980815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4178083 + ... + 4178206.

It is an arithmetic number, because the mean of its divisors is an integer number (100275480).

Almost surely, 2^518089918 is an apocalyptic number.

518089918 is a deficient number, since it is larger than the sum of its proper divisors (284113922).

518089918 is a wasteful number, since it uses less digits than its factorization.

518089918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356322.

The product of its (nonzero) digits is 207360, while the sum is 49.

The square root of 518089918 is about 22761.5886528160. The cubic root of 518089918 is about 803.1593390880.

The spelling of 518089918 in words is "five hundred eighteen million, eighty-nine thousand, nine hundred eighteen".