211330568 has 16 divisors (see below), whose sum is σ = 398259180. Its totient is φ = 105128128.

The previous prime is 211330543. The next prime is 211330573. The reversal of 211330568 is 865033112.

211330568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 162358564 + 48972004 = 12742^2 + 6998^2 .

It is a super-3 number, since 3×211330568³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211330568.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65471 + ... + 68622.

Almost surely, 2^211330568 is an apocalyptic number.

It is an amenable number.

211330568 is a deficient number, since it is larger than the sum of its proper divisors (186928612).

211330568 is a wasteful number, since it uses less digits than its factorization.

211330568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134296 (or 134292 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 211330568 is about 14537.2132129924. The cubic root of 211330568 is about 595.6449170897.

The spelling of 211330568 in words is "two hundred eleven million, three hundred thirty thousand, five hundred sixty-eight".