164336593 has 2 divisors, whose sum is σ = 164336594. Its totient is φ = 164336592.

The previous prime is 164336563. The next prime is 164336659. The reversal of 164336593 is 395633461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126967824 + 37368769 = 11268^2 + 6113^2 .

It is an emirp because it is prime and its reverse (395633461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164336593 is a prime.

It is not a weakly prime, because it can be changed into another prime (164336563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82168296 + 82168297.

It is an arithmetic number, because the mean of its divisors is an integer number (82168297).

Almost surely, 2^164336593 is an apocalyptic number.

It is an amenable number.

164336593 is a deficient number, since it is larger than the sum of its proper divisors (1).

164336593 is an equidigital number, since it uses as much as digits as its factorization.

164336593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 40.

The square root of 164336593 is about 12819.3834875161. The cubic root of 164336593 is about 547.7445852287.

The spelling of 164336593 in words is "one hundred sixty-four million, three hundred thirty-six thousand, five hundred ninety-three".