180239660216 has 64 divisors (see below), whose sum is σ = 432727073280. Its totient is φ = 68325310080.

The previous prime is 180239660203. The next prime is 180239660243. The reversal of 180239660216 is 612066932081.

It is a super-2 number, since 2×180239660216² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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, 3931220 + ... + 3976803.

It is an arithmetic number, because the mean of its divisors is an integer number (6761360520).

Almost surely, 2^180239660216 is an apocalyptic number.

It is an amenable number.

180239660216 is an abundant number, since it is smaller than the sum of its proper divisors (252487413064).

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

180239660216 is a wasteful number, since it uses less digits than its factorization.

180239660216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908084 (or 7908080 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 180239660216 in words is "one hundred eighty billion, two hundred thirty-nine million, six hundred sixty thousand, two hundred sixteen".