18325854066 has 16 divisors (see below), whose sum is σ = 39471070464. Its totient is φ = 5638724304.

The previous prime is 18325854059. The next prime is 18325854119. The reversal of 18325854066 is 66045852381.

It is a happy number.

It is a Curzon number.

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, 117473346 + ... + 117473501.

It is an arithmetic number, because the mean of its divisors is an integer number (2466941904).

Almost surely, 2^18325854066 is an apocalyptic number.

18325854066 is an abundant number, since it is smaller than the sum of its proper divisors (21145216398).

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

18325854066 is a wasteful number, since it uses less digits than its factorization.

18325854066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234946865.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 18325854066 in words is "eighteen billion, three hundred twenty-five million, eight hundred fifty-four thousand, sixty-six".