18023018185 has 8 divisors (see below), whose sum is σ = 21629643840. Its totient is φ = 14417066544.

The previous prime is 18023018179. The next prime is 18023018203. The reversal of 18023018185 is 58181032081.

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

It is a cyclic number.

It is not a de Polignac number, because 18023018185 - 2³³ = 9433083593 is a prime.

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, 107677 + ... + 218266.

It is an arithmetic number, because the mean of its divisors is an integer number (2703705480).

Almost surely, 2^18023018185 is an apocalyptic number.

It is an amenable number.

18023018185 is a deficient number, since it is larger than the sum of its proper divisors (3606625655).

18023018185 is a wasteful number, since it uses less digits than its factorization.

18023018185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337007.

The product of its (nonzero) digits is 15360, while the sum is 37.

The spelling of 18023018185 in words is "eighteen billion, twenty-three million, eighteen thousand, one hundred eighty-five".