180343831552116 has 12 divisors (see below), whose sum is σ = 420802273621632. Its totient is φ = 60114610517368.

The previous prime is 180343831552109. The next prime is 180343831552117. The reversal of 180343831552116 is 611255138343081.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180343831552117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7514326314660 + ... + 7514326314683.

It is an arithmetic number, because the mean of its divisors is an integer number (35066856135136).

Almost surely, 2^{180343831552116} is an apocalyptic number.

It is an amenable number.

180343831552116 is an abundant number, since it is smaller than the sum of its proper divisors (240458442069516).

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

180343831552116 is a wasteful number, since it uses less digits than its factorization.

180343831552116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15028652629350 (or 15028652629348 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

Adding to 180343831552116 its reverse (611255138343081), we get a palindrome (791598969895197).

The spelling of 180343831552116 in words is "one hundred eighty trillion, three hundred forty-three billion, eight hundred thirty-one million, five hundred fifty-two thousand, one hundred sixteen".