181060880 has 480 divisors, whose sum is σ = 641208960. Its totient is φ = 46448640.

The previous prime is 181060849. The next prime is 181060883. The reversal of 181060880 is 88060181.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181060883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9529511 + ... + 9529529.

It is an arithmetic number, because the mean of its divisors is an integer number (1335852).

Almost surely, 2^181060880 is an apocalyptic number.

181060880 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 181060880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320604480).

181060880 is an abundant number, since it is smaller than the sum of its proper divisors (460148080).

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

181060880 is a wasteful number, since it uses less digits than its factorization.

181060880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 181060880 is about 13455.8864442295. The cubic root of 181060880 is about 565.7286966560.

The spelling of 181060880 in words is "one hundred eighty-one million, sixty thousand, eight hundred eighty".