851168 has 24 divisors (see below), whose sum is σ = 1705032. Its totient is φ = 418176.

The previous prime is 851159. The next prime is 851171. The reversal of 851168 is 861158.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 851168.

It is a congruent number.

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, 1946 + ... + 2342.

It is an arithmetic number, because the mean of its divisors is an integer number (71043).

2⁸⁵¹¹⁶⁸ is an apocalyptic number.

It is an amenable number.

851168 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

851168 is a wasteful number, since it uses less digits than its factorization.

851168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 466 counting only the distinct ones).

The product of its digits is 1920, while the sum is 29.

The square root of 851168 is about 922.5876652113. The cubic root of 851168 is about 94.7701924601.

The spelling of 851168 in words is "eight hundred fifty-one thousand, one hundred sixty-eight".