211063968 has 72 divisors (see below), whose sum is σ = 622466208. Its totient is φ = 70352064.

The previous prime is 211063921. The next prime is 211063969. The reversal of 211063968 is 869360112.

211063968 is a `hidden beast` number, since 2 + 1 + 10 + 639 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (211063969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5796 + ... + 21347.

It is an arithmetic number, because the mean of its divisors is an integer number (8645364).

Almost surely, 2^211063968 is an apocalyptic number.

It is an amenable number.

211063968 is an abundant number, since it is smaller than the sum of its proper divisors (411402240).

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

211063968 is an equidigital number, since it uses as much as digits as its factorization.

211063968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27168 (or 27148 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 211063968 is about 14528.0407488415. The cubic root of 211063968 is about 595.3943369050.

The spelling of 211063968 in words is "two hundred eleven million, sixty-three thousand, nine hundred sixty-eight".