18064111 has 4 divisors (see below), whose sum is σ = 19453672. Its totient is φ = 16674552.

The previous prime is 18064093. The next prime is 18064147. The reversal of 18064111 is 11146081.

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

It is a cyclic number.

It is not a de Polignac number, because 18064111 - 2⁹ = 18063599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18064181) 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, 694761 + ... + 694786.

It is an arithmetic number, because the mean of its divisors is an integer number (4863418).

Almost surely, 2^18064111 is an apocalyptic number.

18064111 is a deficient number, since it is larger than the sum of its proper divisors (1389561).

18064111 is a wasteful number, since it uses less digits than its factorization.

18064111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389560.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 18064111 is about 4250.1895251859. The cubic root of 18064111 is about 262.3849158414.

The spelling of 18064111 in words is "eighteen million, sixty-four thousand, one hundred eleven".