211606064 has 20 divisors (see below), whose sum is σ = 410817456. Its totient is φ = 105588672.

The previous prime is 211606063. The next prime is 211606091. The reversal of 211606064 is 460606112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211606063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5099 + ... + 21194.

Almost surely, 2^211606064 is an apocalyptic number.

It is an amenable number.

211606064 is a deficient number, since it is larger than the sum of its proper divisors (199211392).

211606064 is a wasteful number, since it uses less digits than its factorization.

211606064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26804 (or 26798 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 211606064 is about 14546.6856706261. The cubic root of 211606064 is about 595.9036374093.

The spelling of 211606064 in words is "two hundred eleven million, six hundred six thousand, sixty-four".