18116892 has 48 divisors (see below), whose sum is σ = 47219200. Its totient is φ = 6006960.

The previous prime is 18116873. The next prime is 18116911. The reversal of 18116892 is 29861181.

It is an interprime number because it is at equal distance from previous prime (18116873) and next prime (18116911).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28959 + ... + 29577.

Almost surely, 2^18116892 is an apocalyptic number.

18116892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18116892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23609600).

18116892 is an abundant number, since it is smaller than the sum of its proper divisors (29102308).

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

18116892 is a wasteful number, since it uses less digits than its factorization.

18116892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 895 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 18116892 is about 4256.3942486570. The cubic root of 18116892 is about 262.6402189638.

The spelling of 18116892 in words is "eighteen million, one hundred sixteen thousand, eight hundred ninety-two".