66283808 has 24 divisors (see below), whose sum is σ = 130702572. Its totient is φ = 33089536.

The previous prime is 66283807. The next prime is 66283823. The reversal of 66283808 is 80838266.

66283808 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 2 ways, for example, as 47169424 + 19114384 = 6868^2 + 4372^2 .

It is not an unprimeable number, because it can be changed into a prime (66283801) 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, 26216 + ... + 28632.

Almost surely, 2^66283808 is an apocalyptic number.

It is an amenable number.

66283808 is a deficient number, since it is larger than the sum of its proper divisors (64418764).

66283808 is a wasteful number, since it uses less digits than its factorization.

66283808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 66283808 is about 8141.4868420946. The cubic root of 66283808 is about 404.7024344742.

The spelling of 66283808 in words is "sixty-six million, two hundred eighty-three thousand, eight hundred eight".