66046204529 has 2 divisors, whose sum is σ = 66046204530. Its totient is φ = 66046204528.

The previous prime is 66046204439. The next prime is 66046204531. The reversal of 66046204529 is 92540264066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50176000000 + 15870204529 = 224000^2 + 125977^2 .

It is a cyclic number.

It is not a de Polignac number, because 66046204529 - 2¹⁶ = 66046138993 is a prime.

It is a super-2 number, since 2×66046204529² (a number of 22 digits) contains 22 as substring.

Together with 66046204531, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66046204529.

It is not a weakly prime, because it can be changed into another prime (66046203529) 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, 33023102264 + 33023102265.

It is an arithmetic number, because the mean of its divisors is an integer number (33023102265).

Almost surely, 2^66046204529 is an apocalyptic number.

It is an amenable number.

66046204529 is a deficient number, since it is larger than the sum of its proper divisors (1).

66046204529 is an equidigital number, since it uses as much as digits as its factorization.

66046204529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 66046204529 in words is "sixty-six billion, forty-six million, two hundred four thousand, five hundred twenty-nine".