981168 has 20 divisors (see below), whose sum is σ = 2534808. Its totient is φ = 327040.

The previous prime is 981151. The next prime is 981173. The reversal of 981168 is 861189.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981168.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 10173 + ... + 10268.

2⁹⁸¹¹⁶⁸ is an apocalyptic number.

It is an amenable number.

981168 is an abundant number, since it is smaller than the sum of its proper divisors (1553640).

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

981168 is a wasteful number, since it uses less digits than its factorization.

981168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20452 (or 20446 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The square root of 981168 is about 990.5392470771. The cubic root of 981168 is about 99.3682844242.

The spelling of 981168 in words is "nine hundred eighty-one thousand, one hundred sixty-eight".