18164119 has 2 divisors, whose sum is σ = 18164120. Its totient is φ = 18164118.

The previous prime is 18164101. The next prime is 18164129. The reversal of 18164119 is 91146181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18164119 - 2¹¹ = 18162071 is a prime.

It is a super-2 number, since 2×18164119² = 659870438092322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18164129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9082059 + 9082060.

It is an arithmetic number, because the mean of its divisors is an integer number (9082060).

Almost surely, 2^18164119 is an apocalyptic number.

18164119 is a deficient number, since it is larger than the sum of its proper divisors (1).

18164119 is an equidigital number, since it uses as much as digits as its factorization.

18164119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 31.

The square root of 18164119 is about 4261.9384087525. The cubic root of 18164119 is about 262.8682372360.

The spelling of 18164119 in words is "eighteen million, one hundred sixty-four thousand, one hundred nineteen".