164323241 has 4 divisors (see below), whose sum is σ = 173989332. Its totient is φ = 154657152.

The previous prime is 164323231. The next prime is 164323273. The reversal of 164323241 is 142323461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134073241 + 30250000 = 11579^2 + 5500^2 .

It is a cyclic number.

It is not a de Polignac number, because 164323241 - 2⁶ = 164323177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164323241.

It is not an unprimeable number, because it can be changed into a prime (164323231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4833020 + ... + 4833053.

It is an arithmetic number, because the mean of its divisors is an integer number (43497333).

Almost surely, 2^164323241 is an apocalyptic number.

It is an amenable number.

164323241 is a deficient number, since it is larger than the sum of its proper divisors (9666091).

164323241 is an equidigital number, since it uses as much as digits as its factorization.

164323241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666090.

The product of its digits is 3456, while the sum is 26.

The square root of 164323241 is about 12818.8627030638. The cubic root of 164323241 is about 547.7297504645.

The spelling of 164323241 in words is "one hundred sixty-four million, three hundred twenty-three thousand, two hundred forty-one".