180730606133 has 18 divisors (see below), whose sum is σ = 231087665718. Its totient is φ = 140829039120.

The previous prime is 180730606129. The next prime is 180730606139. The reversal of 180730606133 is 331606037081.

It can be written as a sum of positive squares in only one way, i.e., 155789668804 + 24940937329 = 394702^2 + 157927^2 .

It is not a de Polignac number, because 180730606133 - 2² = 180730606129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180730606139) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15235310 + ... + 15247167.

It is an arithmetic number, because the mean of its divisors is an integer number (12838203651).

Almost surely, 2^180730606133 is an apocalyptic number.

It is an amenable number.

180730606133 is a deficient number, since it is larger than the sum of its proper divisors (50357059585).

180730606133 is a wasteful number, since it uses less digits than its factorization.

180730606133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30482513 (or 30482495 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 180730606133 in words is "one hundred eighty billion, seven hundred thirty million, six hundred six thousand, one hundred thirty-three".