18955150 has 12 divisors (see below), whose sum is σ = 35256672. Its totient is φ = 7582040.

The previous prime is 18955127. The next prime is 18955163. The reversal of 18955150 is 5155981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189502 + ... + 189601.

It is an arithmetic number, because the mean of its divisors is an integer number (2938056).

Almost surely, 2^18955150 is an apocalyptic number.

18955150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18955150 is a deficient number, since it is larger than the sum of its proper divisors (16301522).

18955150 is a wasteful number, since it uses less digits than its factorization.

18955150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379115 (or 379110 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 34.

The square root of 18955150 is about 4353.7512561009. The cubic root of 18955150 is about 266.6300383719.

The spelling of 18955150 in words is "eighteen million, nine hundred fifty-five thousand, one hundred fifty".