66232873173 has 16 divisors (see below), whose sum is σ = 89742375936. Its totient is φ = 43445015040.

The previous prime is 66232873159. The next prime is 66232873193. The reversal of 66232873173 is 37137823266.

It is not a de Polignac number, because 66232873173 - 2⁵ = 66232873141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66232873153) 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, 666613 + ... + 759498.

It is an arithmetic number, because the mean of its divisors is an integer number (5608898496).

Almost surely, 2^66232873173 is an apocalyptic number.

It is an amenable number.

66232873173 is a deficient number, since it is larger than the sum of its proper divisors (23509502763).

66232873173 is a wasteful number, since it uses less digits than its factorization.

66232873173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426364.

The product of its digits is 1524096, while the sum is 48.

The spelling of 66232873173 in words is "sixty-six billion, two hundred thirty-two million, eight hundred seventy-three thousand, one hundred seventy-three".