18341316 has 60 divisors (see below), whose sum is σ = 54804288. Its totient is φ = 5239728.

The previous prime is 18341299. The next prime is 18341329. The reversal of 18341316 is 61314381.

18341316 is a `hidden beast` number, since 1 + 8 + 341 + 316 = 666.

It is a super-2 number, since 2×18341316² = 672807745223712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 18341316.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1776 + ... + 6311.

Almost surely, 2^18341316 is an apocalyptic number.

It is an amenable number.

18341316 is an abundant number, since it is smaller than the sum of its proper divisors (36462972).

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

18341316 is a wasteful number, since it uses less digits than its factorization.

18341316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110 (or 8099 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 18341316 is about 4282.6762660748. The cubic root of 18341316 is about 263.7202615408.

Adding to 18341316 its reverse (61314381), we get a palindrome (79655697).

The spelling of 18341316 in words is "eighteen million, three hundred forty-one thousand, three hundred sixteen".