211070164 has 24 divisors (see below), whose sum is σ = 411687360. Its totient is φ = 94098816.

The previous prime is 211070161. The next prime is 211070191. The reversal of 211070164 is 461070112.

It is a super-2 number, since 2×211070164² = 89101228261973792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211070161) 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 7 ways as a sum of consecutive naturals, for example, 80392 + ... + 82975.

It is an arithmetic number, because the mean of its divisors is an integer number (17153640).

Almost surely, 2^211070164 is an apocalyptic number.

It is an amenable number.

211070164 is a deficient number, since it is larger than the sum of its proper divisors (200617196).

211070164 is a wasteful number, since it uses less digits than its factorization.

211070164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163407 (or 163405 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 211070164 is about 14528.2539900705. The cubic root of 211070164 is about 595.4001629858.

The spelling of 211070164 in words is "two hundred eleven million, seventy thousand, one hundred sixty-four".