66332576 has 12 divisors (see below), whose sum is σ = 130592322. Its totient is φ = 33166272.

The previous prime is 66332549. The next prime is 66332593. The reversal of 66332576 is 67523366.

66332576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 5180176 = 7820^2 + 2276^2 .

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 as a sum of consecutive naturals, namely, 1036415 + ... + 1036478.

Almost surely, 2^66332576 is an apocalyptic number.

It is an amenable number.

66332576 is a deficient number, since it is larger than the sum of its proper divisors (64259746).

66332576 is a wasteful number, since it uses less digits than its factorization.

66332576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072903 (or 2072895 counting only the distinct ones).

The product of its digits is 136080, while the sum is 38.

The square root of 66332576 is about 8144.4813217295. The cubic root of 66332576 is about 404.8016627802.

The spelling of 66332576 in words is "sixty-six million, three hundred thirty-two thousand, five hundred seventy-six".