18060199 has 4 divisors (see below), whose sum is σ = 18314640. Its totient is φ = 17805760.

The previous prime is 18060191. The next prime is 18060223. The reversal of 18060199 is 99106081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18060199 - 2³ = 18060191 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 (18060191) 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 3 ways as a sum of consecutive naturals, for example, 127114 + ... + 127255.

It is an arithmetic number, because the mean of its divisors is an integer number (4578660).

Almost surely, 2^18060199 is an apocalyptic number.

18060199 is a deficient number, since it is larger than the sum of its proper divisors (254441).

18060199 is an equidigital number, since it uses as much as digits as its factorization.

18060199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254440.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 18060199 is about 4249.7292854957. The cubic root of 18060199 is about 262.3659736066.

The spelling of 18060199 in words is "eighteen million, sixty thousand, one hundred ninety-nine".