18116108 has 12 divisors (see below), whose sum is σ = 32030712. Its totient is φ = 8964480.

The previous prime is 18116107. The next prime is 18116129. The reversal of 18116108 is 80161181.

It is not an unprimeable number, because it can be changed into a prime (18116107) 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, 22958 + ... + 23733.

It is an arithmetic number, because the mean of its divisors is an integer number (2669226).

Almost surely, 2^18116108 is an apocalyptic number.

It is an amenable number.

18116108 is a deficient number, since it is larger than the sum of its proper divisors (13914604).

18116108 is a wasteful number, since it uses less digits than its factorization.

18116108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46792 (or 46790 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 26.

The square root of 18116108 is about 4256.3021509287. The cubic root of 18116108 is about 262.6364303651.

Adding to 18116108 its reverse (80161181), we get a palindrome (98277289).

The spelling of 18116108 in words is "eighteen million, one hundred sixteen thousand, one hundred eight".