16424129 has 2 divisors, whose sum is σ = 16424130. Its totient is φ = 16424128.

The previous prime is 16424081. The next prime is 16424147. The reversal of 16424129 is 92142461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8850625 + 7573504 = 2975^2 + 2752^2 .

It is a cyclic number.

It is not a de Polignac number, because 16424129 - 2⁸ = 16423873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16421129) 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, 8212064 + 8212065.

It is an arithmetic number, because the mean of its divisors is an integer number (8212065).

Almost surely, 2^16424129 is an apocalyptic number.

It is an amenable number.

16424129 is a deficient number, since it is larger than the sum of its proper divisors (1).

16424129 is an equidigital number, since it uses as much as digits as its factorization.

16424129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 16424129 is about 4052.6693672196. The cubic root of 16424129 is about 254.1913586809.

The spelling of 16424129 in words is "sixteen million, four hundred twenty-four thousand, one hundred twenty-nine".