206563304163333 has 16 divisors (see below), whose sum is σ = 296611294948416. Its totient is φ = 127112632563840.

The previous prime is 206563304163313. The next prime is 206563304163367. The reversal of 206563304163333 is 333361403365602.

It is a happy number.

It is not a de Polignac number, because 206563304163333 - 2⁵ = 206563304163301 is a prime.

It is a super-2 number, since 2×206563304163333² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206563304163313) 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 15 ways as a sum of consecutive naturals, for example, 66097335 + ... + 69151892.

It is an arithmetic number, because the mean of its divisors is an integer number (18538205934276).

Almost surely, 2^{206563304163333} is an apocalyptic number.

It is an amenable number.

206563304163333 is a deficient number, since it is larger than the sum of its proper divisors (90047990785083).

206563304163333 is a wasteful number, since it uses less digits than its factorization.

206563304163333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135288404.

The product of its (nonzero) digits is 6298560, while the sum is 48.

The spelling of 206563304163333 in words is "two hundred six trillion, five hundred sixty-three billion, three hundred four million, one hundred sixty-three thousand, three hundred thirty-three".