66613324 has 12 divisors (see below), whose sum is σ = 116888464. Its totient is φ = 33216624.

The previous prime is 66613307. The next prime is 66613367. The reversal of 66613324 is 42331666.

66613324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 20832 + ... + 23815.

Almost surely, 2^66613324 is an apocalyptic number.

It is an amenable number.

66613324 is a deficient number, since it is larger than the sum of its proper divisors (50275140).

66613324 is a wasteful number, since it uses less digits than its factorization.

66613324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45024 (or 45022 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 66613324 is about 8161.6985977185. The cubic root of 66613324 is about 405.3719572233.

The spelling of 66613324 in words is "sixty-six million, six hundred thirteen thousand, three hundred twenty-four".