18106775 has 18 divisors (see below), whose sum is σ = 22996296. Its totient is φ = 14140000.

The previous prime is 18106763. The next prime is 18106787. The reversal of 18106775 is 57760181.

It is an interprime number because it is at equal distance from previous prime (18106763) and next prime (18106787).

It is not a de Polignac number, because 18106775 - 2⁸ = 18106519 is a prime.

It is a Duffinian number.

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 17 ways as a sum of consecutive naturals, for example, 179225 + ... + 179325.

It is an arithmetic number, because the mean of its divisors is an integer number (1277572).

Almost surely, 2^18106775 is an apocalyptic number.

18106775 is a deficient number, since it is larger than the sum of its proper divisors (4889521).

18106775 is an equidigital number, since it uses as much as digits as its factorization.

18106775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 18106775 is about 4255.2056354541. The cubic root of 18106775 is about 262.5913212122.

It can be divided in two parts, 18106 and 775, that added together give a palindrome (18881).

The spelling of 18106775 in words is "eighteen million, one hundred six thousand, seven hundred seventy-five".