855223168 has 32 divisors (see below), whose sum is σ = 1777847760. Its totient is φ = 409018368.

The previous prime is 855223163. The next prime is 855223177. The reversal of 855223168 is 861322558.

855223168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 855223168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855223163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142305 + ... + 148192.

Almost surely, 2^855223168 is an apocalyptic number.

It is an amenable number.

855223168 is an abundant number, since it is smaller than the sum of its proper divisors (922624592).

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

855223168 is a wasteful number, since it uses less digits than its factorization.

855223168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290534 (or 290522 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 855223168 is about 29244.1988777262. The cubic root of 855223168 is about 949.2045670432.

The spelling of 855223168 in words is "eight hundred fifty-five million, two hundred twenty-three thousand, one hundred sixty-eight".