18064 has 10 divisors (see below), whose sum is σ = 35030. Its totient is φ = 9024.

The previous prime is 18061. The next prime is 18077. The reversal of 18064 is 46081.

It can be written as a sum of positive squares in only one way, i.e., 11664 + 6400 = 108^2 + 80^2 .

It is a nialpdrome in base 8, base 12 and base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (18061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549 + ... + 580.

It is an arithmetic number, because the mean of its divisors is an integer number (3503).

2¹⁸⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

18064 is a deficient number, since it is larger than the sum of its proper divisors (16966).

18064 is a wasteful number, since it uses less digits than its factorization.

18064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 18064 is about 134.4023809313. The cubic root of 18064 is about 26.2384378408.

The spelling of 18064 in words is "eighteen thousand, sixty-four".