18092816 has 20 divisors (see below), whose sum is σ = 40062912. Its totient is φ = 7754016.

The previous prime is 18092813. The next prime is 18092827. The reversal of 18092816 is 61829081.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (18092813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80660 + ... + 80883.

Almost surely, 2^18092816 is an apocalyptic number.

18092816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18092816 is an abundant number, since it is smaller than the sum of its proper divisors (21970096).

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

18092816 is a wasteful number, since it uses less digits than its factorization.

18092816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161558 (or 161552 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 18092816 is about 4253.5650929544. The cubic root of 18092816 is about 262.5238242927.

The spelling of 18092816 in words is "eighteen million, ninety-two thousand, eight hundred sixteen".