66146732299 has 2 divisors, whose sum is σ = 66146732300. Its totient is φ = 66146732298.

The previous prime is 66146732273. The next prime is 66146732303. The reversal of 66146732299 is 99223764166.

66146732299 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 is a cyclic number.

It is not a de Polignac number, because 66146732299 - 2⁹ = 66146731787 is a prime.

It is not a weakly prime, because it can be changed into another prime (66146732219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33073366149 + 33073366150.

It is an arithmetic number, because the mean of its divisors is an integer number (33073366150).

Almost surely, 2^66146732299 is an apocalyptic number.

66146732299 is a deficient number, since it is larger than the sum of its proper divisors (1).

66146732299 is an equidigital number, since it uses as much as digits as its factorization.

66146732299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 55.

The spelling of 66146732299 in words is "sixty-six billion, one hundred forty-six million, seven hundred thirty-two thousand, two hundred ninety-nine".