208566200163 has 8 divisors (see below), whose sum is σ = 278645560000. Its totient is φ = 138765486888.

The previous prime is 208566200149. The next prime is 208566200177. The reversal of 208566200163 is 361002665802.

208566200163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (208566200149) and next prime (208566200177).

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

It is not a de Polignac number, because 208566200163 - 2¹⁴ = 208566183779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208566900163) 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, 69659893 + ... + 69662886.

It is an arithmetic number, because the mean of its divisors is an integer number (34830695000).

Almost surely, 2^208566200163 is an apocalyptic number.

208566200163 is a deficient number, since it is larger than the sum of its proper divisors (70079359837).

208566200163 is a wasteful number, since it uses less digits than its factorization.

208566200163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139323281.

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 208566200163 its reverse (361002665802), we get a palindrome (569568865965).

The spelling of 208566200163 in words is "two hundred eight billion, five hundred sixty-six million, two hundred thousand, one hundred sixty-three".