211168 has 12 divisors (see below), whose sum is σ = 415800. Its totient is φ = 105568.

The previous prime is 211153. The next prime is 211177. The reversal of 211168 is 861112.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

211168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268 + ... + 3331.

It is an arithmetic number, because the mean of its divisors is an integer number (34650).

2²¹¹¹⁶⁸ is an apocalyptic number.

It is an amenable number.

211168 is a deficient number, since it is larger than the sum of its proper divisors (204632).

211168 is an equidigital number, since it uses as much as digits as its factorization.

211168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609 (or 6601 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

The square root of 211168 is about 459.5301948730. The cubic root of 211168 is about 59.5492142783.

The spelling of 211168 in words is "two hundred eleven thousand, one hundred sixty-eight".