66004570033 has 2 divisors, whose sum is σ = 66004570034. Its totient is φ = 66004570032.

The previous prime is 66004569979. The next prime is 66004570057. The reversal of 66004570033 is 33007540066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33369424929 + 32635145104 = 182673^2 + 180652^2 .

It is a cyclic number.

It is not a de Polignac number, because 66004570033 - 2¹³ = 66004561841 is a prime.

It is not a weakly prime, because it can be changed into another prime (66004571033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33002285016 + 33002285017.

It is an arithmetic number, because the mean of its divisors is an integer number (33002285017).

Almost surely, 2^66004570033 is an apocalyptic number.

It is an amenable number.

66004570033 is a deficient number, since it is larger than the sum of its proper divisors (1).

66004570033 is an equidigital number, since it uses as much as digits as its factorization.

66004570033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 66004570033 in words is "sixty-six billion, four million, five hundred seventy thousand, thirty-three".