66086630 has 16 divisors (see below), whose sum is σ = 119054880. Its totient is φ = 26412672.

The previous prime is 66086627. The next prime is 66086639. The reversal of 66086630 is 3668066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66086639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15911 + ... + 19629.

It is an arithmetic number, because the mean of its divisors is an integer number (7440930).

Almost surely, 2^66086630 is an apocalyptic number.

66086630 is a deficient number, since it is larger than the sum of its proper divisors (52968250).

66086630 is a wasteful number, since it uses less digits than its factorization.

66086630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 66086630 is about 8129.3683641474. The cubic root of 66086630 is about 404.3007392138.

The spelling of 66086630 in words is "sixty-six million, eighty-six thousand, six hundred thirty".