18080870 has 16 divisors (see below), whose sum is σ = 32665680. Its totient is φ = 7205664.

The previous prime is 18080869. The next prime is 18080899. The reversal of 18080870 is 7808081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 6024.

It is an arithmetic number, because the mean of its divisors is an integer number (2041605).

Almost surely, 2^18080870 is an apocalyptic number.

18080870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18080870 is a deficient number, since it is larger than the sum of its proper divisors (14584810).

18080870 is a wasteful number, since it uses less digits than its factorization.

18080870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 18080870 is about 4252.1606272576. The cubic root of 18080870 is about 262.4660333979.

The spelling of 18080870 in words is "eighteen million, eighty thousand, eight hundred seventy".