18092080 has 80 divisors (see below), whose sum is σ = 45559584. Its totient is φ = 6656000.

The previous prime is 18092071. The next prime is 18092089. The reversal of 18092080 is 8029081.

It is an interprime number because it is at equal distance from previous prime (18092071) and next prime (18092089).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (18092089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71955 + ... + 72205.

Almost surely, 2^18092080 is an apocalyptic number.

18092080 is a gapful number since it is divisible by the number (10) 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 18092080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22779792).

18092080 is an abundant number, since it is smaller than the sum of its proper divisors (27467504).

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

18092080 is a wasteful number, since it uses less digits than its factorization.

18092080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 18092080 is about 4253.4785764125. The cubic root of 18092080 is about 262.5202644976.

The spelling of 18092080 in words is "eighteen million, ninety-two thousand, eighty".