18505114 has 8 divisors (see below), whose sum is σ = 28228320. Its totient is φ = 9095676.

The previous prime is 18505111. The next prime is 18505117. The reversal of 18505114 is 41150581.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18505111) and next prime (18505117).

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

It is not an unprimeable number, because it can be changed into a prime (18505111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78294 + ... + 78529.

It is an arithmetic number, because the mean of its divisors is an integer number (3528540).

Almost surely, 2^18505114 is an apocalyptic number.

18505114 is a deficient number, since it is larger than the sum of its proper divisors (9723206).

18505114 is a wasteful number, since it uses less digits than its factorization.

18505114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156884.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 18505114 is about 4301.7570828674. The cubic root of 18505114 is about 264.5029915459.

Adding to 18505114 its reverse (41150581), we get a palindrome (59655695).

The spelling of 18505114 in words is "eighteen million, five hundred five thousand, one hundred fourteen".