66332068 has 24 divisors (see below), whose sum is σ = 126866880. Its totient is φ = 30095520.

The previous prime is 66332041. The next prime is 66332089. The reversal of 66332068 is 86023366.

66332068 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 7 ways as a sum of consecutive naturals, for example, 31678 + ... + 33706.

It is an arithmetic number, because the mean of its divisors is an integer number (5286120).

Almost surely, 2^66332068 is an apocalyptic number.

It is an amenable number.

66332068 is a deficient number, since it is larger than the sum of its proper divisors (60534812).

66332068 is a wasteful number, since it uses less digits than its factorization.

66332068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 66332068 is about 8144.4501349078. The cubic root of 66332068 is about 404.8006294027.

The spelling of 66332068 in words is "sixty-six million, three hundred thirty-two thousand, sixty-eight".