18027416 has 16 divisors (see below), whose sum is σ = 36874440. Its totient is φ = 8194240.

The previous prime is 18027403. The next prime is 18027431. The reversal of 18027416 is 61472081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102341 + ... + 102516.

Almost surely, 2^18027416 is an apocalyptic number.

It is an amenable number.

18027416 is an abundant number, since it is smaller than the sum of its proper divisors (18847024).

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

18027416 is a wasteful number, since it uses less digits than its factorization.

18027416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204874 (or 204870 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 18027416 is about 4245.8704643453. The cubic root of 18027416 is about 262.2071279362.

Adding to 18027416 its reverse (61472081), we get a palindrome (79499497).

The spelling of 18027416 in words is "eighteen million, twenty-seven thousand, four hundred sixteen".