66613304 has 16 divisors (see below), whose sum is σ = 125624520. Its totient is φ = 33113440.

The previous prime is 66613289. The next prime is 66613307. The reversal of 66613304 is 40331666.

66613304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66613307) 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, 22682 + ... + 25449.

Almost surely, 2^66613304 is an apocalyptic number.

It is an amenable number.

66613304 is a deficient number, since it is larger than the sum of its proper divisors (59011216).

66613304 is a wasteful number, since it uses less digits than its factorization.

66613304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48310 (or 48306 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 66613304 is about 8161.6973724833. The cubic root of 66613304 is about 405.3719166536.

The spelling of 66613304 in words is "sixty-six million, six hundred thirteen thousand, three hundred four".