168816984 has 64 divisors (see below), whose sum is σ = 489162240. Its totient is φ = 47550720.

The previous prime is 168816899. The next prime is 168817007. The reversal of 168816984 is 489618861.

168816984 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4852 + ... + 19004.

It is an arithmetic number, because the mean of its divisors is an integer number (7643160).

Almost surely, 2^168816984 is an apocalyptic number.

168816984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168816984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244581120).

168816984 is an abundant number, since it is smaller than the sum of its proper divisors (320345256).

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

168816984 is a wasteful number, since it uses less digits than its factorization.

168816984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14240 (or 14236 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 168816984 is about 12992.9590163288. The cubic root of 168816984 is about 552.6778325062.

The spelling of 168816984 in words is "one hundred sixty-eight million, eight hundred sixteen thousand, nine hundred eighty-four".