211065558168 has 64 divisors (see below), whose sum is σ = 535057367040. Its totient is φ = 69369986304.

The previous prime is 211065558157. The next prime is 211065558169. The reversal of 211065558168 is 861855560112.

211065558168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211065558169) 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 15 ways as a sum of consecutive naturals, for example, 6260605 + ... + 6294227.

It is an arithmetic number, because the mean of its divisors is an integer number (8360271360).

Almost surely, 2^211065558168 is an apocalyptic number.

It is an amenable number.

211065558168 is an abundant number, since it is smaller than the sum of its proper divisors (323991808872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211065558168 is a wasteful number, since it uses less digits than its factorization.

211065558168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37288 (or 37284 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 211065558168 in words is "two hundred eleven billion, sixty-five million, five hundred fifty-eight thousand, one hundred sixty-eight".