18112014 has 48 divisors (see below), whose sum is σ = 40734720. Its totient is φ = 5812560.

The previous prime is 18112009. The next prime is 18112019. The reversal of 18112014 is 41021181.

It is an interprime number because it is at equal distance from previous prime (18112009) and next prime (18112019).

It is a super-2 number, since 2×18112014² = 656090102272392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18112019) 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 23 ways as a sum of consecutive naturals, for example, 66699 + ... + 66969.

It is an arithmetic number, because the mean of its divisors is an integer number (848640).

Almost surely, 2^18112014 is an apocalyptic number.

18112014 is an abundant number, since it is smaller than the sum of its proper divisors (22622706).

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

18112014 is a wasteful number, since it uses less digits than its factorization.

18112014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 18112014 is about 4255.8211898528. The cubic root of 18112014 is about 262.6166447586.

Adding to 18112014 its reverse (41021181), we get a palindrome (59133195).

The spelling of 18112014 in words is "eighteen million, one hundred twelve thousand, fourteen".