981160 has 32 divisors (see below), whose sum is σ = 2325600. Its totient is φ = 371520.

The previous prime is 981151. The next prime is 981173. The reversal of 981160 is 61189.

It is a plaindrome in base 15.

It is an unprimeable number.

981160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 115 + ... + 1405.

It is an arithmetic number, because the mean of its divisors is an integer number (72675).

2⁹⁸¹¹⁶⁰ 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 981160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162800).

981160 is an abundant number, since it is smaller than the sum of its proper divisors (1344440).

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

981160 is a wasteful number, since it uses less digits than its factorization.

981160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 981160 is about 990.5352088644. The cubic root of 981160 is about 99.3680143554.

The spelling of 981160 in words is "nine hundred eighty-one thousand, one hundred sixty".