164580233 has 2 divisors, whose sum is σ = 164580234. Its totient is φ = 164580232.

The previous prime is 164580217. The next prime is 164580277. The reversal of 164580233 is 332085461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160073104 + 4507129 = 12652^2 + 2123^2 .

It is a cyclic number.

It is not a de Polignac number, because 164580233 - 2⁴ = 164580217 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164580233.

It is not a weakly prime, because it can be changed into another prime (164580293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82290116 + 82290117.

It is an arithmetic number, because the mean of its divisors is an integer number (82290117).

Almost surely, 2^164580233 is an apocalyptic number.

It is an amenable number.

164580233 is a deficient number, since it is larger than the sum of its proper divisors (1).

164580233 is an equidigital number, since it uses as much as digits as its factorization.

164580233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 164580233 is about 12828.8827650735. The cubic root of 164580233 is about 548.0151409051.

The spelling of 164580233 in words is "one hundred sixty-four million, five hundred eighty thousand, two hundred thirty-three".