18116339 has 4 divisors (see below), whose sum is σ = 19182024. Its totient is φ = 17050656.

The previous prime is 18116333. The next prime is 18116353. The reversal of 18116339 is 93361181.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18116339 - 2⁸ = 18116083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18116333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532817 + ... + 532850.

It is an arithmetic number, because the mean of its divisors is an integer number (4795506).

Almost surely, 2^18116339 is an apocalyptic number.

18116339 is a deficient number, since it is larger than the sum of its proper divisors (1065685).

18116339 is a wasteful number, since it uses less digits than its factorization.

18116339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065684.

The product of its digits is 3888, while the sum is 32.

The square root of 18116339 is about 4256.3292870735. The cubic root of 18116339 is about 262.6375466600.

The spelling of 18116339 in words is "eighteen million, one hundred sixteen thousand, three hundred thirty-nine".