66332094529 has 2 divisors, whose sum is σ = 66332094530. Its totient is φ = 66332094528.

The previous prime is 66332094497. The next prime is 66332094547. The reversal of 66332094529 is 92549023366.

It is a happy number.

66332094529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58119566400 + 8212528129 = 241080^2 + 90623^2 .

It is a cyclic number.

It is not a de Polignac number, because 66332094529 - 2⁵ = 66332094497 is a prime.

It is not a weakly prime, because it can be changed into another prime (66332094029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33166047264 + 33166047265.

It is an arithmetic number, because the mean of its divisors is an integer number (33166047265).

Almost surely, 2^66332094529 is an apocalyptic number.

It is an amenable number.

66332094529 is a deficient number, since it is larger than the sum of its proper divisors (1).

66332094529 is an equidigital number, since it uses as much as digits as its factorization.

66332094529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 49.

The spelling of 66332094529 in words is "sixty-six billion, three hundred thirty-two million, ninety-four thousand, five hundred twenty-nine".