66106056 has 16 divisors (see below), whose sum is σ = 165265200. Its totient is φ = 22035344.

The previous prime is 66106039. The next prime is 66106067. The reversal of 66106056 is 65060166.

66106056 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, 1377186 + ... + 1377233.

It is an arithmetic number, because the mean of its divisors is an integer number (10329075).

Almost surely, 2^66106056 is an apocalyptic number.

It is an amenable number.

66106056 is an abundant number, since it is smaller than the sum of its proper divisors (99159144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66106056 is a wasteful number, since it uses less digits than its factorization.

66106056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754428 (or 2754424 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 66106056 is about 8130.5630801317. The cubic root of 66106056 is about 404.3403497308.

The spelling of 66106056 in words is "sixty-six million, one hundred six thousand, fifty-six".