14661 has 10 divisors (see below), whose sum is σ = 22022. Its totient is φ = 9720.

The previous prime is 14657. The next prime is 14669. The reversal of 14661 is 16641.

14661 is a `hidden beast` number, since 1 + 4 + 661 = 666.

14661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

14661 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 8100 + 6561 = 90^2 + 81^2 .

It is not a de Polignac number, because 14661 - 2² = 14657 is a prime.

It is a Duffinian number.

14661 is a lucky number.

It is a plaindrome in base 13.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14669) 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 9 ways as a sum of consecutive naturals, for example, 10 + ... + 171.

2¹⁴⁶⁶¹ is an apocalyptic number.

It is an amenable number.

14661 is a deficient number, since it is larger than the sum of its proper divisors (7361).

14661 is an equidigital number, since it uses as much as digits as its factorization.

14661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 184 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 14661 is about 121.0826164237. The cubic root of 14661 is about 24.4749153223.

The spelling of 14661 in words is "fourteen thousand, six hundred sixty-one".