855783168 has 36 divisors (see below), whose sum is σ = 2277633288. Its totient is φ = 285260800.

The previous prime is 855783163. The next prime is 855783193. The reversal of 855783168 is 861387558.

It is a self number, because there is not a number n which added to its sum of digits gives 855783168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855783163) 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, 556383 + ... + 557918.

Almost surely, 2^855783168 is an apocalyptic number.

It is an amenable number.

855783168 is an abundant number, since it is smaller than the sum of its proper divisors (1421850120).

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

855783168 is a wasteful number, since it uses less digits than its factorization.

855783168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114320 (or 1114306 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 51.

The square root of 855783168 is about 29253.7718593688. The cubic root of 855783168 is about 949.4117015079.

The spelling of 855783168 in words is "eight hundred fifty-five million, seven hundred eighty-three thousand, one hundred sixty-eight".