66246875143 has 2 divisors, whose sum is σ = 66246875144. Its totient is φ = 66246875142.

The previous prime is 66246875131. The next prime is 66246875207. The reversal of 66246875143 is 34157864266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66246875143 - 2⁵ = 66246875111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66246875543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33123437571 + 33123437572.

It is an arithmetic number, because the mean of its divisors is an integer number (33123437572).

Almost surely, 2^66246875143 is an apocalyptic number.

66246875143 is a deficient number, since it is larger than the sum of its proper divisors (1).

66246875143 is an equidigital number, since it uses as much as digits as its factorization.

66246875143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 52.

The spelling of 66246875143 in words is "sixty-six billion, two hundred forty-six million, eight hundred seventy-five thousand, one hundred forty-three".