18006614 has 8 divisors (see below), whose sum is σ = 27039720. Its totient is φ = 8993376.

The previous prime is 18006613. The next prime is 18006617. The reversal of 18006614 is 41660081.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18006613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (3379965).

Almost surely, 2^18006614 is an apocalyptic number.

18006614 is a deficient number, since it is larger than the sum of its proper divisors (9033106).

18006614 is a wasteful number, since it uses less digits than its factorization.

18006614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9934.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 18006614 is about 4243.4200829048. The cubic root of 18006614 is about 262.1062347190.

Adding to 18006614 its reverse (41660081), we get a palindrome (59666695).

The spelling of 18006614 in words is "eighteen million, six thousand, six hundred fourteen".