164212 has 12 divisors (see below), whose sum is σ = 292516. Its totient is φ = 80640.
The previous prime is 164209. The next prime is 164231. The reversal of 164212 is 212461.
It can be written as a sum of positive squares in 2 ways, for example, as 24336 + 139876 = 156^2 + 374^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93 + ... + 580.
2164212 is an apocalyptic number.
It is an amenable number.
164212 is a deficient number, since it is larger than the sum of its proper divisors (128304).
164212 is a wasteful number, since it uses less digits than its factorization.
164212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 738 (or 736 counting only the distinct ones).
The product of its digits is 96, while the sum is 16.
The square root of 164212 is about 405.2307984347. The cubic root of 164212 is about 54.7606124699.
Adding to 164212 its reverse (212461), we get a palindrome (376673).
The spelling of 164212 in words is "one hundred sixty-four thousand, two hundred twelve".
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