18106575 has 12 divisors (see below), whose sum is σ = 29936328. Its totient is φ = 9656800.

The previous prime is 18106567. The next prime is 18106591. The reversal of 18106575 is 57560181.

It is not a de Polignac number, because 18106575 - 2³ = 18106567 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120636 + ... + 120785.

It is an arithmetic number, because the mean of its divisors is an integer number (2494694).

Almost surely, 2^18106575 is an apocalyptic number.

18106575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18106575 is a deficient number, since it is larger than the sum of its proper divisors (11829753).

18106575 is a wasteful number, since it uses less digits than its factorization.

18106575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241434 (or 241429 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 18106575 is about 4255.1821347623. The cubic root of 18106575 is about 262.5903543833.

It can be divided in two parts, 18106 and 575, that added together give a palindrome (18681).

The spelling of 18106575 in words is "eighteen million, one hundred six thousand, five hundred seventy-five".