181229828192 has 96 divisors (see below), whose sum is σ = 417999839040. Its totient is φ = 75723448320.

The previous prime is 181229828191. The next prime is 181229828201. The reversal of 181229828192 is 291828922181.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181229828191) 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, 15211934 + ... + 15223842.

It is an arithmetic number, because the mean of its divisors is an integer number (4354164990).

Almost surely, 2^181229828192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 181229828192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208999919520).

181229828192 is an abundant number, since it is smaller than the sum of its proper divisors (236770010848).

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

181229828192 is a wasteful number, since it uses less digits than its factorization.

181229828192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624 (or 13616 counting only the distinct ones).

The product of its digits is 663552, while the sum is 53.

The spelling of 181229828192 in words is "one hundred eighty-one billion, two hundred twenty-nine million, eight hundred twenty-eight thousand, one hundred ninety-two".