164359189 has 2 divisors, whose sum is σ = 164359190. Its totient is φ = 164359188.

The previous prime is 164359183. The next prime is 164359207. The reversal of 164359189 is 981953461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94770225 + 69588964 = 9735^2 + 8342^2 .

It is a cyclic number.

It is not a de Polignac number, because 164359189 - 2¹³ = 164350997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164359183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82179594 + 82179595.

It is an arithmetic number, because the mean of its divisors is an integer number (82179595).

Almost surely, 2^164359189 is an apocalyptic number.

It is an amenable number.

164359189 is a deficient number, since it is larger than the sum of its proper divisors (1).

164359189 is an equidigital number, since it uses as much as digits as its factorization.

164359189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 164359189 is about 12820.2647788569. The cubic root of 164359189 is about 547.7696887255.

The spelling of 164359189 in words is "one hundred sixty-four million, three hundred fifty-nine thousand, one hundred eighty-nine".