164846089 has 2 divisors, whose sum is σ = 164846090. Its totient is φ = 164846088.

The previous prime is 164846081. The next prime is 164846111. The reversal of 164846089 is 980648461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158760000 + 6086089 = 12600^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 164846089 - 2³ = 164846081 is a prime.

It is not a weakly prime, because it can be changed into another prime (164846081) 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, 82423044 + 82423045.

It is an arithmetic number, because the mean of its divisors is an integer number (82423045).

Almost surely, 2^164846089 is an apocalyptic number.

It is an amenable number.

164846089 is a deficient number, since it is larger than the sum of its proper divisors (1).

164846089 is an equidigital number, since it uses as much as digits as its factorization.

164846089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 164846089 is about 12839.2402033765. The cubic root of 164846089 is about 548.3100623792.

The spelling of 164846089 in words is "one hundred sixty-four million, eight hundred forty-six thousand, eighty-nine".