18249116 has 6 divisors (see below), whose sum is σ = 31935960. Its totient is φ = 9124556.

The previous prime is 18249083. The next prime is 18249131. The reversal of 18249116 is 61194281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2281136 + ... + 2281143.

It is an arithmetic number, because the mean of its divisors is an integer number (5322660).

Almost surely, 2^18249116 is an apocalyptic number.

It is an amenable number.

18249116 is a deficient number, since it is larger than the sum of its proper divisors (13686844).

18249116 is a wasteful number, since it uses less digits than its factorization.

18249116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562283 (or 4562281 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 18249116 is about 4271.8984070317. The cubic root of 18249116 is about 263.2776203596.

The spelling of 18249116 in words is "eighteen million, two hundred forty-nine thousand, one hundred sixteen".