66141862823 has 2 divisors, whose sum is σ = 66141862824. Its totient is φ = 66141862822.

The previous prime is 66141862799. The next prime is 66141862837. The reversal of 66141862823 is 32826814166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66141862823 - 2¹⁴ = 66141846439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66141862873) 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, 33070931411 + 33070931412.

It is an arithmetic number, because the mean of its divisors is an integer number (33070931412).

Almost surely, 2^66141862823 is an apocalyptic number.

66141862823 is a deficient number, since it is larger than the sum of its proper divisors (1).

66141862823 is an equidigital number, since it uses as much as digits as its factorization.

66141862823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 47.

The spelling of 66141862823 in words is "sixty-six billion, one hundred forty-one million, eight hundred sixty-two thousand, eight hundred twenty-three".