18116103 has 8 divisors (see below), whose sum is σ = 24668928. Its totient is φ = 11820344.

The previous prime is 18116099. The next prime is 18116107. The reversal of 18116103 is 30161181.

It is an interprime number because it is at equal distance from previous prime (18116099) and next prime (18116107).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18116103 - 2² = 18116099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18116103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18116107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64101 + ... + 64382.

It is an arithmetic number, because the mean of its divisors is an integer number (3083616).

Almost surely, 2^18116103 is an apocalyptic number.

18116103 is a deficient number, since it is larger than the sum of its proper divisors (6552825).

18116103 is a wasteful number, since it uses less digits than its factorization.

18116103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128533.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 18116103 is about 4256.3015635643. The cubic root of 18116103 is about 262.6364062027.

Adding to 18116103 its reverse (30161181), we get a palindrome (48277284).

The spelling of 18116103 in words is "eighteen million, one hundred sixteen thousand, one hundred three".