18030118066 has 16 divisors (see below), whose sum is σ = 27593108928. Its totient is φ = 8833539600.

The previous prime is 18030118049. The next prime is 18030118129. The reversal of 18030118066 is 66081103081.

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, 248880 + ... + 313051.

It is an arithmetic number, because the mean of its divisors is an integer number (1724569308).

Almost surely, 2^18030118066 is an apocalyptic number.

18030118066 is a deficient number, since it is larger than the sum of its proper divisors (9562990862).

18030118066 is a wasteful number, since it uses less digits than its factorization.

18030118066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562257.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 18030118066 in words is "eighteen billion, thirty million, one hundred eighteen thousand, sixty-six".