18106383 has 4 divisors (see below), whose sum is σ = 24141848. Its totient is φ = 12070920.

The previous prime is 18106351. The next prime is 18106423. The reversal of 18106383 is 38360181.

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

It is not a de Polignac number, because 18106383 - 2⁵ = 18106351 is a prime.

It is a super-2 number, since 2×18106383² = 655682210685378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18106383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18106303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3017728 + ... + 3017733.

It is an arithmetic number, because the mean of its divisors is an integer number (6035462).

Almost surely, 2^18106383 is an apocalyptic number.

18106383 is a deficient number, since it is larger than the sum of its proper divisors (6035465).

18106383 is an equidigital number, since it uses as much as digits as its factorization.

18106383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035464.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 18106383 is about 4255.1595739760. The cubic root of 18106383 is about 262.5894262209.

The spelling of 18106383 in words is "eighteen million, one hundred six thousand, three hundred eighty-three".