18106 has 8 divisors (see below), whose sum is σ = 29664. Its totient is φ = 8220.

The previous prime is 18097. The next prime is 18119. The reversal of 18106 is 60181.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390 + ... + 433.

It is an arithmetic number, because the mean of its divisors is an integer number (3708).

2¹⁸¹⁰⁶ is an apocalyptic number.

18106 is a deficient number, since it is larger than the sum of its proper divisors (11558).

18106 is a wasteful number, since it uses less digits than its factorization.

18106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 18106 is about 134.5585374475. The cubic root of 18106 is about 26.2587574711.

Adding to 18106 its reverse (60181), we get a palindrome (78287).

The spelling of 18106 in words is "eighteen thousand, one hundred six".