18081094 has 8 divisors (see below), whose sum is σ = 28056960. Its totient is φ = 8728776.

The previous prime is 18081083. The next prime is 18081097. The reversal of 18081094 is 49018081.

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

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155814 + ... + 155929.

It is an arithmetic number, because the mean of its divisors is an integer number (3507120).

Almost surely, 2^18081094 is an apocalyptic number.

18081094 is a deficient number, since it is larger than the sum of its proper divisors (9975866).

18081094 is a wasteful number, since it uses less digits than its factorization.

18081094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311774.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 18081094 is about 4252.1869667267. The cubic root of 18081094 is about 262.4671172718.

The spelling of 18081094 in words is "eighteen million, eighty-one thousand, ninety-four".