164356573 has 2 divisors, whose sum is σ = 164356574. Its totient is φ = 164356572.

The previous prime is 164356537. The next prime is 164356583. The reversal of 164356573 is 375653461.

Together with previous prime (164356537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133587364 + 30769209 = 11558^2 + 5547^2 .

It is a cyclic number.

It is not a de Polignac number, because 164356573 - 2¹³ = 164348381 is a prime.

It is a super-3 number, since 3×164356573³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164356583) 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, 82178286 + 82178287.

It is an arithmetic number, because the mean of its divisors is an integer number (82178287).

Almost surely, 2^164356573 is an apocalyptic number.

It is an amenable number.

164356573 is a deficient number, since it is larger than the sum of its proper divisors (1).

164356573 is an equidigital number, since it uses as much as digits as its factorization.

164356573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 164356573 is about 12820.1627524771. The cubic root of 164356573 is about 547.7667825436.

The spelling of 164356573 in words is "one hundred sixty-four million, three hundred fifty-six thousand, five hundred seventy-three".