18081095 has 8 divisors (see below), whose sum is σ = 21823776. Its totient is φ = 14380576.

The previous prime is 18081083. The next prime is 18081097. The reversal of 18081095 is 59018081.

It is a happy number.

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 18081095 - 2⁴ = 18081079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18081097) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9587 + ... + 11316.

It is an arithmetic number, because the mean of its divisors is an integer number (2727972).

Almost surely, 2^18081095 is an apocalyptic number.

18081095 is a deficient number, since it is larger than the sum of its proper divisors (3742681).

18081095 is a wasteful number, since it uses less digits than its factorization.

18081095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21081.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 18081095 is about 4252.1870843132. The cubic root of 18081095 is about 262.4671221105.

The spelling of 18081095 in words is "eighteen million, eighty-one thousand, ninety-five".