18086113 has 8 divisors (see below), whose sum is σ = 19768320. Its totient is φ = 16472640.

The previous prime is 18086093. The next prime is 18086137. The reversal of 18086113 is 31168081.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18086113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18086143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16633 + ... + 17686.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^18086113 is an apocalyptic number.

It is an amenable number.

18086113 is a deficient number, since it is larger than the sum of its proper divisors (1682207).

18086113 is a wasteful number, since it uses less digits than its factorization.

18086113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34367.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 18086113 is about 4252.7770926772. Note that the first 3 decimals coincide. The cubic root of 18086113 is about 262.4914004741.

It can be divided in two parts, 1808 and 6113, that added together give a square (7921 = 89²).

The spelling of 18086113 in words is "eighteen million, eighty-six thousand, one hundred thirteen".