16706143 has 2 divisors, whose sum is σ = 16706144. Its totient is φ = 16706142.

The previous prime is 16706113. The next prime is 16706153. The reversal of 16706143 is 34160761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16706143 - 2¹³ = 16697951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16706113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8353071 + 8353072.

It is an arithmetic number, because the mean of its divisors is an integer number (8353072).

Almost surely, 2^16706143 is an apocalyptic number.

16706143 is a deficient number, since it is larger than the sum of its proper divisors (1).

16706143 is an equidigital number, since it uses as much as digits as its factorization.

16706143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 16706143 is about 4087.3148887748. The cubic root of 16706143 is about 255.6379923574.

The spelling of 16706143 in words is "sixteen million, seven hundred six thousand, one hundred forty-three".