208201634055 has 24 divisors (see below), whose sum is σ = 360896487120. Its totient is φ = 111036670080.

The previous prime is 208201634029. The next prime is 208201634059. The reversal of 208201634055 is 550436102802.

It is not a de Polignac number, because 208201634055 - 2¹¹ = 208201632007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208201634059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1388536 + ... + 1531154.

It is an arithmetic number, because the mean of its divisors is an integer number (15037353630).

Almost surely, 2^208201634055 is an apocalyptic number.

208201634055 is a deficient number, since it is larger than the sum of its proper divisors (152694853065).

208201634055 is a wasteful number, since it uses less digits than its factorization.

208201634055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175071 (or 175068 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 208201634055 its reverse (550436102802), we get a palindrome (758637736857).

The spelling of 208201634055 in words is "two hundred eight billion, two hundred one million, six hundred thirty-four thousand, fifty-five".