18118683 has 24 divisors (see below), whose sum is σ = 28684656. Its totient is φ = 10929600.

The previous prime is 18118669. The next prime is 18118699. The reversal of 18118683 is 38681181.

It is not a de Polignac number, because 18118683 - 2¹⁸ = 17856539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18118603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39073 + ... + 39533.

It is an arithmetic number, because the mean of its divisors is an integer number (1195194).

Almost surely, 2^18118683 is an apocalyptic number.

18118683 is a deficient number, since it is larger than the sum of its proper divisors (10565973).

18118683 is a wasteful number, since it uses less digits than its factorization.

18118683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 872 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 18118683 is about 4256.6046328030. The cubic root of 18118683 is about 262.6488733756.

The spelling of 18118683 in words is "eighteen million, one hundred eighteen thousand, six hundred eighty-three".