66130427813 has 16 divisors (see below), whose sum is σ = 68917568256. Its totient is φ = 63404552640.

The previous prime is 66130427801. The next prime is 66130427851. The reversal of 66130427813 is 31872403166.

It is a cyclic number.

It is not a de Polignac number, because 66130427813 - 2⁶ = 66130427749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66130427863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1626470 + ... + 1666632.

It is an arithmetic number, because the mean of its divisors is an integer number (4307348016).

Almost surely, 2^66130427813 is an apocalyptic number.

It is an amenable number.

66130427813 is a deficient number, since it is larger than the sum of its proper divisors (2787140443).

66130427813 is a wasteful number, since it uses less digits than its factorization.

66130427813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40924.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 66130427813 in words is "sixty-six billion, one hundred thirty million, four hundred twenty-seven thousand, eight hundred thirteen".