66130848686 has 16 divisors (see below), whose sum is σ = 115506173664. Its totient is φ = 27807041184.

The previous prime is 66130848661. The next prime is 66130848757. The reversal of 66130848686 is 68684803166.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44561825 + ... + 44563308.

It is an arithmetic number, because the mean of its divisors is an integer number (7219135854).

Almost surely, 2^66130848686 is an apocalyptic number.

66130848686 is a deficient number, since it is larger than the sum of its proper divisors (49375324978).

66130848686 is a wasteful number, since it uses less digits than its factorization.

66130848686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89125195.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 66130848686 in words is "sixty-six billion, one hundred thirty million, eight hundred forty-eight thousand, six hundred eighty-six".