164660211 has 12 divisors (see below), whose sum is σ = 238045392. Its totient is φ = 109679856.

The previous prime is 164660179. The next prime is 164660219. The reversal of 164660211 is 112066461.

164660211 is a `hidden beast` number, since 1 + 6 + 46 + 602 + 11 = 666.

164660211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164660211 - 2⁵ = 164660179 is a prime.

It is a super-2 number, since 2×164660211² = 54225970173129042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164660219) 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, 4330 + ... + 18656.

It is an arithmetic number, because the mean of its divisors is an integer number (19837116).

Almost surely, 2^164660211 is an apocalyptic number.

164660211 is a deficient number, since it is larger than the sum of its proper divisors (73385181).

164660211 is a wasteful number, since it uses less digits than its factorization.

164660211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15610 (or 15607 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 164660211 is about 12831.9994934539. Note that the first 3 decimals coincide. The cubic root of 164660211 is about 548.1038961107.

The spelling of 164660211 in words is "one hundred sixty-four million, six hundred sixty thousand, two hundred eleven".