66410842143 has 8 divisors (see below), whose sum is σ = 88548990768. Its totient is φ = 44273294144.

The previous prime is 66410842123. The next prime is 66410842151. The reversal of 66410842143 is 34124801466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66410842143 - 2⁶ = 66410842079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66410842103) 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 in 7 ways as a sum of consecutive naturals, for example, 304555 + ... + 474947.

It is an arithmetic number, because the mean of its divisors is an integer number (11068623846).

Almost surely, 2^66410842143 is an apocalyptic number.

66410842143 is a deficient number, since it is larger than the sum of its proper divisors (22138148625).

66410842143 is a wasteful number, since it uses less digits than its factorization.

66410842143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300313.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 66410842143 in words is "sixty-six billion, four hundred ten million, eight hundred forty-two thousand, one hundred forty-three".