181342080 has 192 divisors, whose sum is σ = 659552400. Its totient is φ = 45785088.

The previous prime is 181342037. The next prime is 181342103. The reversal of 181342080 is 80243181.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108612 + ... + 110268.

Almost surely, 2^181342080 is an apocalyptic number.

181342080 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 181342080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329776200).

181342080 is an abundant number, since it is smaller than the sum of its proper divisors (478210320).

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

181342080 is a wasteful number, since it uses less digits than its factorization.

181342080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 181342080 is about 13466.3313489606. The cubic root of 181342080 is about 566.0214170289.

The spelling of 181342080 in words is "one hundred eighty-one million, three hundred forty-two thousand, eighty".