18030169 has 8 divisors (see below), whose sum is σ = 18370880. Its totient is φ = 17691696.

The previous prime is 18030157. The next prime is 18030179. The reversal of 18030169 is 96103081.

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 18030169 - 2⁷ = 18030041 is a prime.

It is a super-3 number, since 3×18030169³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18030109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29107 + ... + 29719.

It is an arithmetic number, because the mean of its divisors is an integer number (2296360).

Almost surely, 2^18030169 is an apocalyptic number.

It is an amenable number.

18030169 is a deficient number, since it is larger than the sum of its proper divisors (340711).

18030169 is an equidigital number, since it uses as much as digits as its factorization.

18030169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 18030169 is about 4246.1946493302. The cubic root of 18030169 is about 262.2204746351.

The spelling of 18030169 in words is "eighteen million, thirty thousand, one hundred sixty-nine".