18065103 has 16 divisors (see below), whose sum is σ = 28048896. Its totient is φ = 10127520.

The previous prime is 18065083. The next prime is 18065107. The reversal of 18065103 is 30156081.

It is not a de Polignac number, because 18065103 - 2⁶ = 18065039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18065107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7003 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (1753056).

Almost surely, 2^18065103 is an apocalyptic number.

18065103 is a deficient number, since it is larger than the sum of its proper divisors (9983793).

18065103 is a wasteful number, since it uses less digits than its factorization.

18065103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16294.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 18065103 is about 4250.3062242620. The cubic root of 18065103 is about 262.3897187546.

The spelling of 18065103 in words is "eighteen million, sixty-five thousand, one hundred three".