211310668 has 24 divisors (see below), whose sum is σ = 372985200. Its totient is φ = 104748288.

The previous prime is 211310657. The next prime is 211310669. The reversal of 211310668 is 866013112.

211310668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211310669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371088 + ... + 371656.

It is an arithmetic number, because the mean of its divisors is an integer number (15541050).

Almost surely, 2^211310668 is an apocalyptic number.

It is an amenable number.

211310668 is a deficient number, since it is larger than the sum of its proper divisors (161674532).

211310668 is a wasteful number, since it uses less digits than its factorization.

211310668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 211310668 is about 14536.5287465750. The cubic root of 211310668 is about 595.6262201480.

The spelling of 211310668 in words is "two hundred eleven million, three hundred ten thousand, six hundred sixty-eight".