18264116 has 24 divisors (see below), whose sum is σ = 35919744. Its totient is φ = 8062560.

The previous prime is 18264107. The next prime is 18264119. The reversal of 18264116 is 61146281.

It is a super-2 number, since 2×18264116² = 667155866522912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18264119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6440 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (1496656).

Almost surely, 2^18264116 is an apocalyptic number.

It is an amenable number.

18264116 is a deficient number, since it is larger than the sum of its proper divisors (17655628).

18264116 is a wasteful number, since it uses less digits than its factorization.

18264116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311 (or 15309 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 18264116 is about 4273.6537061395. The cubic root of 18264116 is about 263.3497349538.

The spelling of 18264116 in words is "eighteen million, two hundred sixty-four thousand, one hundred sixteen".