164211706 has 8 divisors (see below), whose sum is σ = 247095540. Its totient is φ = 81846528.

The previous prime is 164211703. The next prime is 164211709. The reversal of 164211706 is 607112461.

164211706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164211703) and next prime (164211709).

It can be written as a sum of positive squares in 2 ways, for example, as 145419481 + 18792225 = 12059^2 + 4335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (164211701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128871 + ... + 130138.

Almost surely, 2^164211706 is an apocalyptic number.

164211706 is a deficient number, since it is larger than the sum of its proper divisors (82883834).

164211706 is a wasteful number, since it uses less digits than its factorization.

164211706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259328.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 164211706 is about 12814.5115396569. The cubic root of 164211706 is about 547.6057978930.

The spelling of 164211706 in words is "one hundred sixty-four million, two hundred eleven thousand, seven hundred six".