180163769472 has 192 divisors, whose sum is σ = 532552363200. Its totient is φ = 58430711808.

The previous prime is 180163769453. The next prime is 180163769503. The reversal of 180163769472 is 274967361081.

180163769472 is a `hidden beast` number, since 1 + 8 + 0 + 163 + 7 + 6 + 9 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13021054 + ... + 13034882.

It is an arithmetic number, because the mean of its divisors is an integer number (2773710225).

Almost surely, 2^180163769472 is an apocalyptic number.

180163769472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180163769472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266276181600).

180163769472 is an abundant number, since it is smaller than the sum of its proper divisors (352388593728).

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

180163769472 is a wasteful number, since it uses less digits than its factorization.

180163769472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14155 (or 14140 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 180163769472 in words is "one hundred eighty billion, one hundred sixty-three million, seven hundred sixty-nine thousand, four hundred seventy-two".