164234429 has 2 divisors, whose sum is σ = 164234430. Its totient is φ = 164234428.

The previous prime is 164234381. The next prime is 164234437. The reversal of 164234429 is 924432461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162052900 + 2181529 = 12730^2 + 1477^2 .

It is a cyclic number.

It is not a de Polignac number, because 164234429 - 2²⁰ = 163185853 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164234129) 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, 82117214 + 82117215.

It is an arithmetic number, because the mean of its divisors is an integer number (82117215).

Almost surely, 2^164234429 is an apocalyptic number.

It is an amenable number.

164234429 is a deficient number, since it is larger than the sum of its proper divisors (1).

164234429 is an equidigital number, since it uses as much as digits as its factorization.

164234429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 164234429 is about 12815.3981210105. The cubic root of 164234429 is about 547.6310552735.

The spelling of 164234429 in words is "one hundred sixty-four million, two hundred thirty-four thousand, four hundred twenty-nine".