18083 has 6 divisors (see below), whose sum is σ = 19764. Its totient is φ = 16536.

The previous prime is 18077. The next prime is 18089. The reversal of 18083 is 38081.

It is an interprime number because it is at equal distance from previous prime (18077) and next prime (18089).

It is not a de Polignac number, because 18083 - 2⁸ = 17827 is a prime.

It is a super-3 number, since 3×18083³ = 17739145733361, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (18089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116 + ... + 222.

It is an arithmetic number, because the mean of its divisors is an integer number (3294).

2¹⁸⁰⁸³ is an apocalyptic number.

18083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18083 is a deficient number, since it is larger than the sum of its proper divisors (1681).

18083 is a wasteful number, since it uses less digits than its factorization.

18083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 18083 is about 134.4730456263. The cubic root of 18083 is about 26.2476339515.

The spelling of 18083 in words is "eighteen thousand, eighty-three".