164134589 has 2 divisors, whose sum is σ = 164134590. Its totient is φ = 164134588.

The previous prime is 164134567. The next prime is 164134613. The reversal of 164134589 is 985431461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160858489 + 3276100 = 12683^2 + 1810^2 .

It is a cyclic number.

It is not a de Polignac number, because 164134589 - 2¹⁶ = 164069053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164134189) 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 as a sum of consecutive naturals, namely, 82067294 + 82067295.

It is an arithmetic number, because the mean of its divisors is an integer number (82067295).

Almost surely, 2^164134589 is an apocalyptic number.

It is an amenable number.

164134589 is a deficient number, since it is larger than the sum of its proper divisors (1).

164134589 is an equidigital number, since it uses as much as digits as its factorization.

164134589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 164134589 is about 12811.5022148068. The cubic root of 164134589 is about 547.5200623717.

The spelling of 164134589 in words is "one hundred sixty-four million, one hundred thirty-four thousand, five hundred eighty-nine".