166227200 has 108 divisors (see below), whose sum is σ = 433409760. Its totient is φ = 62945280.

The previous prime is 166227197. The next prime is 166227209. The reversal of 166227200 is 2722661.

It is a self number, because there is not a number n which added to its sum of digits gives 166227200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166227209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120917 + ... + 122283.

Almost surely, 2^166227200 is an apocalyptic number.

166227200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166227200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216704880).

166227200 is an abundant number, since it is smaller than the sum of its proper divisors (267182560).

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

166227200 is a wasteful number, since it uses less digits than its factorization.

166227200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 166227200 is about 12892.9127818348. The cubic root of 166227200 is about 549.8370867351.

Adding to 166227200 its reverse (2722661), we get a palindrome (168949861).

The spelling of 166227200 in words is "one hundred sixty-six million, two hundred twenty-seven thousand, two hundred".