180232326561 has 16 divisors (see below), whose sum is σ = 274658217984. Its totient is φ = 102982970064.

The previous prime is 180232326529. The next prime is 180232326563. The reversal of 180232326561 is 165623232081.

It is a happy number.

It is not a de Polignac number, because 180232326561 - 2⁵ = 180232326529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180232326563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39370 + ... + 601676.

It is an arithmetic number, because the mean of its divisors is an integer number (17166138624).

Almost surely, 2^180232326561 is an apocalyptic number.

It is an amenable number.

180232326561 is a deficient number, since it is larger than the sum of its proper divisors (94425891423).

180232326561 is a wasteful number, since it uses less digits than its factorization.

180232326561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577580.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 180232326561 in words is "one hundred eighty billion, two hundred thirty-two million, three hundred twenty-six thousand, five hundred sixty-one".