211424066 has 16 divisors (see below), whose sum is σ = 367031040. Its totient is φ = 89462880.

The previous prime is 211424063. The next prime is 211424089. The reversal of 211424066 is 660424112.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211424063) 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, 94475 + ... + 96686.

It is an arithmetic number, because the mean of its divisors is an integer number (22939440).

Almost surely, 2^211424066 is an apocalyptic number.

211424066 is a deficient number, since it is larger than the sum of its proper divisors (155606974).

211424066 is a wasteful number, since it uses less digits than its factorization.

211424066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191249.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 211424066 is about 14540.4286731857. The cubic root of 211424066 is about 595.7327469414.

Adding to 211424066 its reverse (660424112), we get a palindrome (871848178).

The spelling of 211424066 in words is "two hundred eleven million, four hundred twenty-four thousand, sixty-six".