164512242325273 has 2 divisors, whose sum is σ = 164512242325274. Its totient is φ = 164512242325272.

The previous prime is 164512242325271. The next prime is 164512242325339. The reversal of 164512242325273 is 372523242215461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154430652102169 + 10081590223104 = 12427013^2 + 3175152^2 .

It is a cyclic number.

It is not a de Polignac number, because 164512242325273 - 2¹ = 164512242325271 is a prime.

Together with 164512242325271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (164512242325271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82256121162636 + 82256121162637.

It is an arithmetic number, because the mean of its divisors is an integer number (82256121162637).

Almost surely, 2^{164512242325273} is an apocalyptic number.

It is an amenable number.

164512242325273 is a deficient number, since it is larger than the sum of its proper divisors (1).

164512242325273 is an equidigital number, since it uses as much as digits as its factorization.

164512242325273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 49.

The spelling of 164512242325273 in words is "one hundred sixty-four trillion, five hundred twelve billion, two hundred forty-two million, three hundred twenty-five thousand, two hundred seventy-three".