66033061 has 2 divisors, whose sum is σ = 66033062. Its totient is φ = 66033060.

The previous prime is 66033047. The next prime is 66033067. The reversal of 66033061 is 16033066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63504961 + 2528100 = 7969^2 + 1590^2 .

It is a cyclic number.

It is not a de Polignac number, because 66033061 - 2¹¹ = 66031013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66033067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33016530 + 33016531.

It is an arithmetic number, because the mean of its divisors is an integer number (33016531).

Almost surely, 2^66033061 is an apocalyptic number.

It is an amenable number.

66033061 is a deficient number, since it is larger than the sum of its proper divisors (1).

66033061 is an equidigital number, since it uses as much as digits as its factorization.

66033061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 66033061 is about 8126.0729137758. The cubic root of 66033061 is about 404.1914693013.

The spelling of 66033061 in words is "sixty-six million, thirty-three thousand, sixty-one".