66782522783163 has 16 divisors (see below), whose sum is σ = 98099979466752. Its totient is φ = 40073521020000.

The previous prime is 66782522783129. The next prime is 66782522783167. The reversal of 66782522783163 is 36138722528766.

It is not a de Polignac number, because 66782522783163 - 2⁶ = 66782522783099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66782522783094 and 66782522783103.

It is not an unprimeable number, because it can be changed into a prime (66782522783167) 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, 10018376923 + ... + 10018383588.

It is an arithmetic number, because the mean of its divisors is an integer number (6131248716672).

Almost surely, 2^{66782522783163} is an apocalyptic number.

66782522783163 is a deficient number, since it is larger than the sum of its proper divisors (31317456683589).

66782522783163 is a wasteful number, since it uses less digits than its factorization.

66782522783163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20036760626.

The product of its digits is 243855360, while the sum is 66.

The spelling of 66782522783163 in words is "sixty-six trillion, seven hundred eighty-two billion, five hundred twenty-two million, seven hundred eighty-three thousand, one hundred sixty-three".