16706 has 4 divisors (see below), whose sum is σ = 25062. Its totient is φ = 8352.

The previous prime is 16703. The next prime is 16729. The reversal of 16706 is 60761.

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

It can be written as a sum of positive squares in only one way, i.e., 13225 + 3481 = 115^2 + 59^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4175 + ... + 4178.

2¹⁶⁷⁰⁶ is an apocalyptic number.

16706 is a deficient number, since it is larger than the sum of its proper divisors (8356).

16706 is an equidigital number, since it uses as much as digits as its factorization.

16706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 16706 is about 129.2516924454. The cubic root of 16706 is about 25.5637262958.

The spelling of 16706 in words is "sixteen thousand, seven hundred six".