166365224 has 16 divisors (see below), whose sum is σ = 312076320. Its totient is φ = 83144880.

The previous prime is 166365223. The next prime is 166365259. The reversal of 166365224 is 422563661.

It is a happy number.

166365224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (166365223) 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 3 ways as a sum of consecutive naturals, for example, 25127 + ... + 31049.

It is an arithmetic number, because the mean of its divisors is an integer number (19504770).

Almost surely, 2^166365224 is an apocalyptic number.

It is an amenable number.

166365224 is a deficient number, since it is larger than the sum of its proper divisors (145711096).

166365224 is a wasteful number, since it uses less digits than its factorization.

166365224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440 (or 9436 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 166365224 is about 12898.2643793652. The cubic root of 166365224 is about 549.9892273372.

The spelling of 166365224 in words is "one hundred sixty-six million, three hundred sixty-five thousand, two hundred twenty-four".