181088112 has 80 divisors (see below), whose sum is σ = 487111680. Its totient is φ = 57907200.

The previous prime is 181088099. The next prime is 181088129. The reversal of 181088112 is 211880181.

It is a self number, because there is not a number n which added to its sum of digits gives 181088112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194464 + ... + 195392.

It is an arithmetic number, because the mean of its divisors is an integer number (6088896).

Almost surely, 2^181088112 is an apocalyptic number.

181088112 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 181088112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243555840).

181088112 is an abundant number, since it is smaller than the sum of its proper divisors (306023568).

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

181088112 is a wasteful number, since it uses less digits than its factorization.

181088112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 30.

The square root of 181088112 is about 13456.8983053302. The cubic root of 181088112 is about 565.7570575616.

The spelling of 181088112 in words is "one hundred eighty-one million, eighty-eight thousand, one hundred twelve".