16118118 has 24 divisors (see below), whose sum is σ = 36761400. Its totient is φ = 5089824.

The previous prime is 16118111. The next prime is 16118119. The reversal of 16118118 is 81181161.

It is a junction number, because it is equal to n+sod(n) for n = 16118091 and 16118100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16118111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23223 + ... + 23906.

It is an arithmetic number, because the mean of its divisors is an integer number (1531725).

Almost surely, 2^16118118 is an apocalyptic number.

16118118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16118118 is an abundant number, since it is smaller than the sum of its proper divisors (20643282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16118118 is a wasteful number, since it uses less digits than its factorization.

16118118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47156 (or 47153 counting only the distinct ones).

The product of its digits is 384, while the sum is 27.

The square root of 16118118 is about 4014.7376003918. The cubic root of 16118118 is about 252.6027709613.

Adding to 16118118 its reverse (81181161), we get a palindrome (97299279).

The spelling of 16118118 in words is "sixteen million, one hundred eighteen thousand, one hundred eighteen".