166436033 has 2 divisors, whose sum is σ = 166436034. Its totient is φ = 166436032.

The previous prime is 166436021. The next prime is 166436047. The reversal of 166436033 is 330634661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143328784 + 23107249 = 11972^2 + 4807^2 .

It is a cyclic number.

It is not a de Polignac number, because 166436033 - 2⁸ = 166435777 is a prime.

It is not a weakly prime, because it can be changed into another prime (166436003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83218016 + 83218017.

It is an arithmetic number, because the mean of its divisors is an integer number (83218017).

Almost surely, 2^166436033 is an apocalyptic number.

It is an amenable number.

166436033 is a deficient number, since it is larger than the sum of its proper divisors (1).

166436033 is an equidigital number, since it uses as much as digits as its factorization.

166436033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 166436033 is about 12901.0089915479. The cubic root of 166436033 is about 550.0672457723.

The spelling of 166436033 in words is "one hundred sixty-six million, four hundred thirty-six thousand, thirty-three".