18446116 has 24 divisors (see below), whose sum is σ = 35888384. Its totient is φ = 8238240.

The previous prime is 18446111. The next prime is 18446119. The reversal of 18446116 is 61164481.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (18446111) 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, 4110 + ... + 7333.

Almost surely, 2^18446116 is an apocalyptic number.

It is an amenable number.

18446116 is a deficient number, since it is larger than the sum of its proper divisors (17442268).

18446116 is a wasteful number, since it uses less digits than its factorization.

18446116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11491 (or 11489 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 18446116 is about 4294.8941779746. The cubic root of 18446116 is about 264.2215961608.

The spelling of 18446116 in words is "eighteen million, four hundred forty-six thousand, one hundred sixteen".