164213166 has 64 divisors (see below), whose sum is σ = 381024000. Its totient is φ = 46726656.

The previous prime is 164213117. The next prime is 164213191. The reversal of 164213166 is 661312461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77185 + ... + 79283.

It is an arithmetic number, because the mean of its divisors is an integer number (5953500).

Almost surely, 2^164213166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164213166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190512000).

164213166 is an abundant number, since it is smaller than the sum of its proper divisors (216810834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164213166 is a wasteful number, since it uses less digits than its factorization.

164213166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its digits is 5184, while the sum is 30.

The square root of 164213166 is about 12814.5685061964. The cubic root of 164213166 is about 547.6074208023.

The spelling of 164213166 in words is "one hundred sixty-four million, two hundred thirteen thousand, one hundred sixty-six".