985163868 has 108 divisors (see below), whose sum is σ = 2713772880. Its totient is φ = 301197312.

The previous prime is 985163857. The next prime is 985163869. The reversal of 985163868 is 868361589.

985163868 is a `hidden beast` number, since 98 + 516 + 38 + 6 + 8 = 666.

985163868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985163869) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1173793 + ... + 1174631.

Almost surely, 2^985163868 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 985163868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356886440).

985163868 is an abundant number, since it is smaller than the sum of its proper divisors (1728609012).

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

985163868 is a wasteful number, since it uses less digits than its factorization.

985163868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1050 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 985163868 is about 31387.3201786964. The cubic root of 985163868 is about 995.0299623142.

The spelling of 985163868 in words is "nine hundred eighty-five million, one hundred sixty-three thousand, eight hundred sixty-eight".