180213662216 has 64 divisors (see below), whose sum is σ = 396349994880. Its totient is φ = 75206085120.

The previous prime is 180213662207. The next prime is 180213662263. The reversal of 180213662216 is 612266312081.

It is a self number, because there is not a number n which added to its sum of digits gives 180213662216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125770 + ... + 1275846.

It is an arithmetic number, because the mean of its divisors is an integer number (6192968670).

Almost surely, 2^180213662216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180213662216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198174997440).

180213662216 is an abundant number, since it is smaller than the sum of its proper divisors (216136332664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180213662216 is a wasteful number, since it uses less digits than its factorization.

180213662216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150654 (or 150650 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

Adding to 180213662216 its reverse (612266312081), we get a palindrome (792479974297).

The spelling of 180213662216 in words is "one hundred eighty billion, two hundred thirteen million, six hundred sixty-two thousand, two hundred sixteen".