18185085714 has 8 divisors (see below), whose sum is σ = 36370171440. Its totient is φ = 6061695236.

The previous prime is 18185085703. The next prime is 18185085719. The reversal of 18185085714 is 41758058181.

It is a happy number.

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

18185085714 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18185085719) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1515423804 + ... + 1515423815.

It is an arithmetic number, because the mean of its divisors is an integer number (4546271430).

Almost surely, 2^18185085714 is an apocalyptic number.

18185085714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18185085714 is a wasteful number, since it uses less digits than its factorization.

18185085714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030847624.

The product of its (nonzero) digits is 358400, while the sum is 48.

The spelling of 18185085714 in words is "eighteen billion, one hundred eighty-five million, eighty-five thousand, seven hundred fourteen".