211614164 has 12 divisors (see below), whose sum is σ = 392108724. Its totient is φ = 99583104.

The previous prime is 211614157. The next prime is 211614197. The reversal of 211614164 is 461416112.

211614164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 169260100 + 42354064 = 13010^2 + 6508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555919 + ... + 1556054.

It is an arithmetic number, because the mean of its divisors is an integer number (32675727).

Almost surely, 2^211614164 is an apocalyptic number.

It is an amenable number.

211614164 is a deficient number, since it is larger than the sum of its proper divisors (180494560).

211614164 is a wasteful number, since it uses less digits than its factorization.

211614164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111994 (or 3111992 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 211614164 is about 14546.9640818970. The cubic root of 211614164 is about 595.9112407798.

The spelling of 211614164 in words is "two hundred eleven million, six hundred fourteen thousand, one hundred sixty-four".