18360000185 has 8 divisors (see below), whose sum is σ = 22033376136. Its totient is φ = 14687082880.

The previous prime is 18360000179. The next prime is 18360000229. The reversal of 18360000185 is 58100006381.

It can be written as a sum of positive squares in 4 ways, for example, as 9504889 + 18350495296 = 3083^2 + 135464^2 .

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

It is not a de Polignac number, because 18360000185 - 2³⁰ = 17286258361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19394 + ... + 192603.

It is an arithmetic number, because the mean of its divisors is an integer number (2754172017).

Almost surely, 2^18360000185 is an apocalyptic number.

It is an amenable number.

18360000185 is a deficient number, since it is larger than the sum of its proper divisors (3673375951).

18360000185 is a wasteful number, since it uses less digits than its factorization.

18360000185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229323.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 18360000185 in words is "eighteen billion, three hundred sixty million, one hundred eighty-five", and thus it is an aban number.