18107514 has 24 divisors (see below), whose sum is σ = 39311220. Its totient is φ = 6023808.

The previous prime is 18107491. The next prime is 18107521. The reversal of 18107514 is 41570181.

It can be written as a sum of positive squares in 2 ways, for example, as 17918289 + 189225 = 4233^2 + 435^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 17442 + ... + 18450.

Almost surely, 2^18107514 is an apocalyptic number.

18107514 is an abundant number, since it is smaller than the sum of its proper divisors (21203706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18107514 is a wasteful number, since it uses less digits than its factorization.

18107514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 18107514 is about 4255.2924693844. The cubic root of 18107514 is about 262.5948935831.

Adding to 18107514 its reverse (41570181), we get a palindrome (59677695).

The spelling of 18107514 in words is "eighteen million, one hundred seven thousand, five hundred fourteen".