16966129 has 2 divisors, whose sum is σ = 16966130. Its totient is φ = 16966128.

The previous prime is 16966127. The next prime is 16966139. The reversal of 16966129 is 92166961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13337104 + 3629025 = 3652^2 + 1905^2 .

It is a cyclic number.

It is not a de Polignac number, because 16966129 - 2¹ = 16966127 is a prime.

Together with 16966127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16966091 and 16966100.

It is not a weakly prime, because it can be changed into another prime (16966121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8483064 + 8483065.

It is an arithmetic number, because the mean of its divisors is an integer number (8483065).

Almost surely, 2^16966129 is an apocalyptic number.

It is an amenable number.

16966129 is a deficient number, since it is larger than the sum of its proper divisors (1).

16966129 is an equidigital number, since it uses as much as digits as its factorization.

16966129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 16966129 is about 4118.9961155602. The cubic root of 16966129 is about 256.9572771367.

The spelling of 16966129 in words is "sixteen million, nine hundred sixty-six thousand, one hundred twenty-nine".