18560080 has 160 divisors (see below), whose sum is σ = 56567808. Its totient is φ = 5491200.

The previous prime is 18560071. The next prime is 18560083. The reversal of 18560080 is 8006581.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18560083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141615 + ... + 141745.

Almost surely, 2^18560080 is an apocalyptic number.

18560080 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 18560080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28283904).

18560080 is an abundant number, since it is smaller than the sum of its proper divisors (38007728).

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

18560080 is a wasteful number, since it uses less digits than its factorization.

18560080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 18560080 is about 4308.1411304645. The cubic root of 18560080 is about 264.7646183289.

The spelling of 18560080 in words is "eighteen million, five hundred sixty thousand, eighty".