18106148 has 12 divisors (see below), whose sum is σ = 31751580. Its totient is φ = 9034272.

The previous prime is 18106093. The next prime is 18106157. The reversal of 18106148 is 84160181.

It can be written as a sum of positive squares in 2 ways, for example, as 8421604 + 9684544 = 2902^2 + 3112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18106148.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (2645965).

Almost surely, 2^18106148 is an apocalyptic number.

It is an amenable number.

18106148 is a deficient number, since it is larger than the sum of its proper divisors (13645432).

18106148 is a wasteful number, since it uses less digits than its factorization.

18106148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406 (or 9404 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 18106148 is about 4255.1319603509. The cubic root of 18106148 is about 262.5882901799.

The spelling of 18106148 in words is "eighteen million, one hundred six thousand, one hundred forty-eight".