66184228 has 12 divisors (see below), whose sum is σ = 126351792. Its totient is φ = 30083720.

The previous prime is 66184219. The next prime is 66184229. The reversal of 66184228 is 82248166.

66184228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66184229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752050 + ... + 752137.

It is an arithmetic number, because the mean of its divisors is an integer number (10529316).

Almost surely, 2^66184228 is an apocalyptic number.

It is an amenable number.

66184228 is a deficient number, since it is larger than the sum of its proper divisors (60167564).

66184228 is a wasteful number, since it uses less digits than its factorization.

66184228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504202 (or 1504200 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 66184228 is about 8135.3689529117. The cubic root of 66184228 is about 404.4996676753.

The spelling of 66184228 in words is "sixty-six million, one hundred eighty-four thousand, two hundred twenty-eight".