18105914 has 8 divisors (see below), whose sum is σ = 27203808. Its totient is φ = 9037980.

The previous prime is 18105863. The next prime is 18105929. The reversal of 18105914 is 41950181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 5912 + ... + 8435.

It is an arithmetic number, because the mean of its divisors is an integer number (3400476).

Almost surely, 2^18105914 is an apocalyptic number.

18105914 is a deficient number, since it is larger than the sum of its proper divisors (9097894).

18105914 is a wasteful number, since it uses less digits than its factorization.

18105914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14980.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 18105914 is about 4255.1044640526. The cubic root of 18105914 is about 262.5871589633.

The spelling of 18105914 in words is "eighteen million, one hundred five thousand, nine hundred fourteen".