18111064 has 16 divisors (see below), whose sum is σ = 34309800. Its totient is φ = 8961792.

The previous prime is 18111061. The next prime is 18111101. The reversal of 18111064 is 46011181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18111061) 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, 10894 + ... + 12445.

Almost surely, 2^18111064 is an apocalyptic number.

It is an amenable number.

18111064 is a deficient number, since it is larger than the sum of its proper divisors (16198736).

18111064 is a wasteful number, since it uses less digits than its factorization.

18111064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23442 (or 23438 counting only the distinct ones).

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

The square root of 18111064 is about 4255.7095765571. The cubic root of 18111064 is about 262.6120531438.

The spelling of 18111064 in words is "eighteen million, one hundred eleven thousand, sixty-four".