181324563180 has 96 divisors (see below), whose sum is σ = 529876214784. Its totient is φ = 46242772224.

The previous prime is 181324563151. The next prime is 181324563181. The reversal of 181324563180 is 81365423181.

It is a happy number.

181324563180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (181324563181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13977057 + ... + 13990023.

It is an arithmetic number, because the mean of its divisors is an integer number (5519543904).

Almost surely, 2^181324563180 is an apocalyptic number.

181324563180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

181324563180 is an abundant number, since it is smaller than the sum of its proper divisors (348551651604).

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

181324563180 is a wasteful number, since it uses less digits than its factorization.

181324563180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23135 (or 23133 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 181324563180 in words is "one hundred eighty-one billion, three hundred twenty-four million, five hundred sixty-three thousand, one hundred eighty".