18066105 has 32 divisors (see below), whose sum is σ = 32353920. Its totient is φ = 9564480.

The previous prime is 18066091. The next prime is 18066119. The reversal of 18066105 is 50166081.

It is an interprime number because it is at equal distance from previous prime (18066091) and next prime (18066119).

It is not a de Polignac number, because 18066105 - 2⁵ = 18066073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21595 + ... + 22415.

It is an arithmetic number, because the mean of its divisors is an integer number (1011060).

Almost surely, 2^18066105 is an apocalyptic number.

18066105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18066105 is a deficient number, since it is larger than the sum of its proper divisors (14287815).

18066105 is a wasteful number, since it uses less digits than its factorization.

18066105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 18066105 is about 4250.4240964873. The cubic root of 18066105 is about 262.3945699058.

The spelling of 18066105 in words is "eighteen million, sixty-six thousand, one hundred five".