18097185 has 8 divisors (see below), whose sum is σ = 28955520. Its totient is φ = 9651824.

The previous prime is 18097153. The next prime is 18097187. The reversal of 18097185 is 58179081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18097185 - 2⁵ = 18097153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18097187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603225 + ... + 603254.

It is an arithmetic number, because the mean of its divisors is an integer number (3619440).

Almost surely, 2^18097185 is an apocalyptic number.

18097185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18097185 is a deficient number, since it is larger than the sum of its proper divisors (10858335).

18097185 is a wasteful number, since it uses less digits than its factorization.

18097185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206487.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 18097185 is about 4254.0786311492. The cubic root of 18097185 is about 262.5449537524.

The spelling of 18097185 in words is "eighteen million, ninety-seven thousand, one hundred eighty-five".