66104223 has 8 divisors (see below), whose sum is σ = 88215600. Its totient is φ = 44031168.

The previous prime is 66104221. The next prime is 66104251. The reversal of 66104223 is 32240166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66104223 - 2¹ = 66104221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66104193 and 66104202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66104221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5278 + ... + 12651.

It is an arithmetic number, because the mean of its divisors is an integer number (11026950).

Almost surely, 2^66104223 is an apocalyptic number.

66104223 is a deficient number, since it is larger than the sum of its proper divisors (22111377).

66104223 is a wasteful number, since it uses less digits than its factorization.

66104223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19161.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 66104223 is about 8130.4503565301. The cubic root of 66104223 is about 404.3366124902.

Adding to 66104223 its reverse (32240166), we get a palindrome (98344389).

The spelling of 66104223 in words is "sixty-six million, one hundred four thousand, two hundred twenty-three".