164291 has 2 divisors, whose sum is σ = 164292. Its totient is φ = 164290.

The previous prime is 164279. The next prime is 164299. The reversal of 164291 is 192461.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (192461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82145 + 82146.

It is an arithmetic number, because the mean of its divisors is an integer number (82146).

2¹⁶⁴²⁹¹ is an apocalyptic number.

164291 is a deficient number, since it is larger than the sum of its proper divisors (1).

164291 is an equidigital number, since it uses as much as digits as its factorization.

164291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 164291 is about 405.3282620297. The cubic root of 164291 is about 54.7693925729.

The spelling of 164291 in words is "one hundred sixty-four thousand, two hundred ninety-one".