18114861 has 4 divisors (see below), whose sum is σ = 24153152. Its totient is φ = 12076572.

The previous prime is 18114853. The next prime is 18114883. The reversal of 18114861 is 16841181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 18114861 - 2³ = 18114853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18114841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3019141 + ... + 3019146.

It is an arithmetic number, because the mean of its divisors is an integer number (6038288).

Almost surely, 2^18114861 is an apocalyptic number.

It is an amenable number.

18114861 is a deficient number, since it is larger than the sum of its proper divisors (6038291).

18114861 is an equidigital number, since it uses as much as digits as its factorization.

18114861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038290.

The product of its digits is 1536, while the sum is 30.

The square root of 18114861 is about 4256.1556597474. The cubic root of 18114861 is about 262.6304041416.

The spelling of 18114861 in words is "eighteen million, one hundred fourteen thousand, eight hundred sixty-one".