18116336 has 20 divisors (see below), whose sum is σ = 40114992. Its totient is φ = 7764096.

The previous prime is 18116333. The next prime is 18116353. The reversal of 18116336 is 63361181.

It is a junction number, because it is equal to n+sod(n) for n = 18116299 and 18116308.

It is a congruent 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, 80765 + ... + 80988.

Almost surely, 2^18116336 is an apocalyptic number.

18116336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18116336 is an abundant number, since it is smaller than the sum of its proper divisors (21998656).

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

18116336 is a wasteful number, since it uses less digits than its factorization.

18116336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161768 (or 161762 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 18116336 is about 4256.3289346572. The cubic root of 18116336 is about 262.6375321627.

The spelling of 18116336 in words is "eighteen million, one hundred sixteen thousand, three hundred thirty-six".