164036573 has 2 divisors, whose sum is σ = 164036574. Its totient is φ = 164036572.

The previous prime is 164036567. The next prime is 164036591. The reversal of 164036573 is 375630461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144913444 + 19123129 = 12038^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 164036573 - 2¹⁰ = 164035549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164036513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82018286 + 82018287.

It is an arithmetic number, because the mean of its divisors is an integer number (82018287).

Almost surely, 2^164036573 is an apocalyptic number.

It is an amenable number.

164036573 is a deficient number, since it is larger than the sum of its proper divisors (1).

164036573 is an equidigital number, since it uses as much as digits as its factorization.

164036573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 164036573 is about 12807.6763310134. The cubic root of 164036573 is about 547.4110534321.

The spelling of 164036573 in words is "one hundred sixty-four million, thirty-six thousand, five hundred seventy-three".