180916764180882 has 32 divisors (see below), whose sum is σ = 378279155306880. Its totient is φ = 57683605947440.

The previous prime is 180916764180881. The next prime is 180916764180953. The reversal of 180916764180882 is 288081467619081.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (180916764180881) by changing a digit.

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, 1239048969 + ... + 1239194972.

It is an arithmetic number, because the mean of its divisors is an integer number (11821223603340).

Almost surely, 2^{180916764180882} is an apocalyptic number.

180916764180882 is an abundant number, since it is smaller than the sum of its proper divisors (197362391125998).

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

180916764180882 is an equidigital number, since it uses as much as digits as its factorization.

180916764180882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478244015 (or 2478243969 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 69.

The spelling of 180916764180882 in words is "one hundred eighty trillion, nine hundred sixteen billion, seven hundred sixty-four million, one hundred eighty thousand, eight hundred eighty-two".