18186085214 has 16 divisors (see below), whose sum is σ = 30484880496. Its totient is φ = 8064782400.

The previous prime is 18186085213. The next prime is 18186085231. The reversal of 18186085214 is 41258068181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18186085213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10080077 + ... + 10081880.

It is an arithmetic number, because the mean of its divisors is an integer number (1905305031).

Almost surely, 2^18186085214 is an apocalyptic number.

18186085214 is a deficient number, since it is larger than the sum of its proper divisors (12298795282).

18186085214 is a wasteful number, since it uses less digits than its factorization.

18186085214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20162011.

The product of its (nonzero) digits is 122880, while the sum is 44.

The spelling of 18186085214 in words is "eighteen billion, one hundred eighty-six million, eighty-five thousand, two hundred fourteen".