180159538000 has 320 divisors, whose sum is σ = 489028700160. Its totient is φ = 63742464000.

The previous prime is 180159537983. The next prime is 180159538001. The reversal of 180159538000 is 835951081.

180159538000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180159538001) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 86240956 + ... + 86243044.

It is an arithmetic number, because the mean of its divisors is an integer number (1528214688).

Almost surely, 2^180159538000 is an apocalyptic number.

180159538000 is a gapful number since it is divisible by the number (10) 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 180159538000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244514350080).

180159538000 is an abundant number, since it is smaller than the sum of its proper divisors (308869162160).

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

180159538000 is a wasteful number, since it uses less digits than its factorization.

180159538000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 40.

The spelling of 180159538000 in words is "one hundred eighty billion, one hundred fifty-nine million, five hundred thirty-eight thousand".