18082176 has 144 divisors (see below), whose sum is σ = 57733020. Its totient is φ = 4999680.

The previous prime is 18082157. The next prime is 18082177. The reversal of 18082176 is 67128081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18082177) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 583281 + ... + 583311.

Almost surely, 2^18082176 is an apocalyptic number.

18082176 is a gapful number since it is divisible by the number (16) 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 18082176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28866510).

18082176 is an abundant number, since it is smaller than the sum of its proper divisors (39650844).

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

18082176 is an equidigital number, since it uses as much as digits as its factorization.

18082176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 18082176 is about 4252.3141934716. The cubic root of 18082176 is about 262.4723526437.

The spelling of 18082176 in words is "eighteen million, eighty-two thousand, one hundred seventy-six".