66132461143 has 16 divisors (see below), whose sum is σ = 77028621120. Its totient is φ = 55608768000.

The previous prime is 66132461123. The next prime is 66132461179. The reversal of 66132461143 is 34116423166.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66132461143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66132461123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352018 + ... + 506143.

It is an arithmetic number, because the mean of its divisors is an integer number (4814288820).

Almost surely, 2^66132461143 is an apocalyptic number.

66132461143 is a deficient number, since it is larger than the sum of its proper divisors (10896159977).

66132461143 is a wasteful number, since it uses less digits than its factorization.

66132461143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858378.

The product of its digits is 62208, while the sum is 37.

The spelling of 66132461143 in words is "sixty-six billion, one hundred thirty-two million, four hundred sixty-one thousand, one hundred forty-three".