66130422320653 has 8 divisors (see below), whose sum is σ = 67942988750840. Its totient is φ = 64319185244160.

The previous prime is 66130422320623. The next prime is 66130422320717. The reversal of 66130422320653 is 35602322403166.

It can be written as a sum of positive squares in 4 ways, for example, as 8318396210569 + 57812026110084 = 2884163^2 + 7603422^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66130422320653 - 2¹⁷ = 66130422189581 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 (66130422320603) 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, 332237568 + ... + 332436553.

It is an arithmetic number, because the mean of its divisors is an integer number (8492873593855).

Almost surely, 2^{66130422320653} is an apocalyptic number.

It is an amenable number.

66130422320653 is a deficient number, since it is larger than the sum of its proper divisors (1812566430187).

66130422320653 is a wasteful number, since it uses less digits than its factorization.

66130422320653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664676847.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 66130422320653 in words is "sixty-six trillion, one hundred thirty billion, four hundred twenty-two million, three hundred twenty thousand, six hundred fifty-three".