It is a sphenic number, since it is the product of 3 distinct primes.
162166566 is an admirable number.
It is a congruent number.
Almost surely, 2162166566 is an apocalyptic number.
162166566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
162166566 is a wasteful number, since it uses less digits than its factorization.
162166566 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27027766.
The square root of 162166566 is about 12734.4637107340. The cubic root of 162166566 is about 545.3229475003.
The spelling of 162166566 in words is "one hundred sixty-two million, one hundred sixty-six thousand, five hundred sixty-six".