16966139 has 2 divisors, whose sum is σ = 16966140. Its totient is φ = 16966138.

The previous prime is 16966129. The next prime is 16966151. The reversal of 16966139 is 93166961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16966139 - 2¹⁶ = 16900603 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16966096 and 16966105.

It is not a weakly prime, because it can be changed into another prime (16966129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8483069 + 8483070.

It is an arithmetic number, because the mean of its divisors is an integer number (8483070).

Almost surely, 2^16966139 is an apocalyptic number.

16966139 is a deficient number, since it is larger than the sum of its proper divisors (1).

16966139 is an equidigital number, since it uses as much as digits as its factorization.

16966139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 41.

The square root of 16966139 is about 4118.9973294480. The cubic root of 16966139 is about 256.9573276211.

The spelling of 16966139 in words is "sixteen million, nine hundred sixty-six thousand, one hundred thirty-nine".