164173133 has 2 divisors, whose sum is σ = 164173134. Its totient is φ = 164173132.

The previous prime is 164173123. The next prime is 164173151. The reversal of 164173133 is 331371461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160224964 + 3948169 = 12658^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 164173133 - 2⁶ = 164173069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164173096 and 164173105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164173123) 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, 82086566 + 82086567.

It is an arithmetic number, because the mean of its divisors is an integer number (82086567).

Almost surely, 2^164173133 is an apocalyptic number.

It is an amenable number.

164173133 is a deficient number, since it is larger than the sum of its proper divisors (1).

164173133 is an equidigital number, since it uses as much as digits as its factorization.

164173133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 164173133 is about 12813.0063997487. The cubic root of 164173133 is about 547.5629173679.

The spelling of 164173133 in words is "one hundred sixty-four million, one hundred seventy-three thousand, one hundred thirty-three".