66422432159 has 8 divisors (see below), whose sum is σ = 69312983040. Its totient is φ = 63532099576.

The previous prime is 66422432149. The next prime is 66422432171. The reversal of 66422432159 is 95123422466.

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 66422432159 - 2⁸ = 66422431903 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 (66422432149) 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 in 7 ways as a sum of consecutive naturals, for example, 1005734 + ... + 1069740.

It is an arithmetic number, because the mean of its divisors is an integer number (8664122880).

Almost surely, 2^66422432159 is an apocalyptic number.

66422432159 is a deficient number, since it is larger than the sum of its proper divisors (2890550881).

66422432159 is a wasteful number, since it uses less digits than its factorization.

66422432159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109149.

The product of its digits is 622080, while the sum is 44.

The spelling of 66422432159 in words is "sixty-six billion, four hundred twenty-two million, four hundred thirty-two thousand, one hundred fifty-nine".