180180001800216 has 64 divisors (see below), whose sum is σ = 546000005462400. Its totient is φ = 54600000544800.

The previous prime is 180180001800193. The next prime is 180180001800233. The reversal of 180180001800216 is 612008100081081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 37916664670 + ... + 37916669421.

It is an arithmetic number, because the mean of its divisors is an integer number (8531250085350).

Almost surely, 2^{180180001800216} is an apocalyptic number.

It is an amenable number.

180180001800216 is an abundant number, since it is smaller than the sum of its proper divisors (365820003662184).

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

180180001800216 is a wasteful number, since it uses less digits than its factorization.

180180001800216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75833334117 (or 75833334107 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 36.

Adding to 180180001800216 its reverse (612008100081081), we get a palindrome (792188101881297).

The spelling of 180180001800216 in words is "one hundred eighty trillion, one hundred eighty billion, one million, eight hundred thousand, two hundred sixteen".