180834156160 has 128 divisors (see below), whose sum is σ = 494264615040. Its totient is φ = 61975203840.

The previous prime is 180834156149. The next prime is 180834156161. The reversal of 180834156160 is 61651438081.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (180834156161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13599115 + ... + 13612405.

It is an arithmetic number, because the mean of its divisors is an integer number (3861442305).

Almost surely, 2^180834156160 is an apocalyptic number.

180834156160 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 180834156160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247132307520).

180834156160 is an abundant number, since it is smaller than the sum of its proper divisors (313430458880).

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

180834156160 is a wasteful number, since it uses less digits than its factorization.

180834156160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16354 (or 16342 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 180834156160 in words is "one hundred eighty billion, eight hundred thirty-four million, one hundred fifty-six thousand, one hundred sixty".