18350000185 has 16 divisors (see below), whose sum is σ = 25066247040. Its totient is φ = 12765216640.

The previous prime is 18350000171. The next prime is 18350000233. The reversal of 18350000185 is 58100005381.

It is not a de Polignac number, because 18350000185 - 2⁹ = 18349999673 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7251700 + ... + 7254229.

It is an arithmetic number, because the mean of its divisors is an integer number (1566640440).

Almost surely, 2^18350000185 is an apocalyptic number.

It is an amenable number.

18350000185 is a deficient number, since it is larger than the sum of its proper divisors (6716246855).

18350000185 is a wasteful number, since it uses less digits than its factorization.

18350000185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14505968.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 18350000185 in words is "eighteen billion, three hundred fifty million, one hundred eighty-five", and thus it is an aban number.