18441116 has 12 divisors (see below), whose sum is σ = 32310432. Its totient is φ = 9209568.

The previous prime is 18441091. The next prime is 18441119. The reversal of 18441116 is 61114481.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18441119) 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, 1901 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (2692536).

Almost surely, 2^18441116 is an apocalyptic number.

It is an amenable number.

18441116 is a deficient number, since it is larger than the sum of its proper divisors (13869316).

18441116 is a wasteful number, since it uses less digits than its factorization.

18441116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500 (or 5498 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 18441116 is about 4294.3120520055. The cubic root of 18441116 is about 264.1977207216.

Adding to 18441116 its reverse (61114481), we get a palindrome (79555597).

The spelling of 18441116 in words is "eighteen million, four hundred forty-one thousand, one hundred sixteen".