164589349 has 2 divisors, whose sum is σ = 164589350. Its totient is φ = 164589348.

The previous prime is 164589331. The next prime is 164589361. The reversal of 164589349 is 943985461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148669249 + 15920100 = 12193^2 + 3990^2 .

It is an emirp because it is prime and its reverse (943985461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164589349 - 2¹⁷ = 164458277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164589379) 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, 82294674 + 82294675.

It is an arithmetic number, because the mean of its divisors is an integer number (82294675).

Almost surely, 2^164589349 is an apocalyptic number.

It is an amenable number.

164589349 is a deficient number, since it is larger than the sum of its proper divisors (1).

164589349 is an equidigital number, since it uses as much as digits as its factorization.

164589349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 164589349 is about 12829.2380521994. The cubic root of 164589349 is about 548.0252587945.

The spelling of 164589349 in words is "one hundred sixty-four million, five hundred eighty-nine thousand, three hundred forty-nine".