18008150 has 12 divisors (see below), whose sum is σ = 33495252. Its totient is φ = 7203240.

The previous prime is 18008131. The next prime is 18008153. The reversal of 18008150 is 5180081.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18008153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180032 + ... + 180131.

It is an arithmetic number, because the mean of its divisors is an integer number (2791271).

Almost surely, 2^18008150 is an apocalyptic number.

18008150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18008150 is a deficient number, since it is larger than the sum of its proper divisors (15487102).

18008150 is a wasteful number, since it uses less digits than its factorization.

18008150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360175 (or 360170 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 18008150 is about 4243.6010651332. The cubic root of 18008150 is about 262.1136872349.

The spelling of 18008150 in words is "eighteen million, eight thousand, one hundred fifty".