18010 has 8 divisors (see below), whose sum is σ = 32436. Its totient is φ = 7200.

The previous prime is 17989. The next prime is 18013. The reversal of 18010 is 1081.

18010 = 58² + 59² + ... + 62².

It can be written as a sum of positive squares in 2 ways, for example, as 16641 + 1369 = 129^2 + 37^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1801 = 18010 / (1 + 8 + 0 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891 + ... + 910.

2¹⁸⁰¹⁰ is an apocalyptic number.

18010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18010 is a deficient number, since it is larger than the sum of its proper divisors (14426).

18010 is a wasteful number, since it uses less digits than its factorization.

18010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 18010 is about 134.2013412750. The cubic root of 18010 is about 26.2122662684.

Adding to 18010 its reverse (1081), we get a palindrome (19091).

It can be divided in two parts, 180 and 10, that added together give a triangular number (190 = T₁₉).

The spelling of 18010 in words is "eighteen thousand, ten".