18190119 has 16 divisors (see below), whose sum is σ = 25951968. Its totient is φ = 11292672.

The previous prime is 18190103. The next prime is 18190121. The reversal of 18190119 is 91109181.

It is a happy number.

It is not a de Polignac number, because 18190119 - 2⁴ = 18190103 is a prime.

It is a super-2 number, since 2×18190119² = 661760858468322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18190919) 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 15 ways as a sum of consecutive naturals, for example, 3109 + ... + 6785.

It is an arithmetic number, because the mean of its divisors is an integer number (1621998).

Almost surely, 2^18190119 is an apocalyptic number.

18190119 is a deficient number, since it is larger than the sum of its proper divisors (7761849).

18190119 is a wasteful number, since it uses less digits than its factorization.

18190119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794.

The product of its (nonzero) digits is 648, while the sum is 30.

The square root of 18190119 is about 4264.9875732527. The cubic root of 18190119 is about 262.9936000602.

The spelling of 18190119 in words is "eighteen million, one hundred ninety thousand, one hundred nineteen".