211068806 has 16 divisors (see below), whose sum is σ = 342848688. Its totient is φ = 96876000.

The previous prime is 211068749. The next prime is 211068817. The reversal of 211068806 is 608860112.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17720 + ... + 27131.

It is an arithmetic number, because the mean of its divisors is an integer number (21428043).

Almost surely, 2^211068806 is an apocalyptic number.

211068806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

211068806 is a deficient number, since it is larger than the sum of its proper divisors (131779882).

211068806 is a wasteful number, since it uses less digits than its factorization.

211068806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45047.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 211068806 is about 14528.2072534776. The cubic root of 211068806 is about 595.3988860721.

The spelling of 211068806 in words is "two hundred eleven million, sixty-eight thousand, eight hundred six".