168988896 has 96 divisors (see below), whose sum is σ = 495240480. Its totient is φ = 56060928.

The previous prime is 168988877. The next prime is 168988903. The reversal of 168988896 is 698889861.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

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, 273580 + ... + 274196.

It is an arithmetic number, because the mean of its divisors is an integer number (5158755).

Almost surely, 2^168988896 is an apocalyptic number.

168988896 is a gapful number since it is divisible by the number (16) 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 168988896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247620240).

168988896 is an abundant number, since it is smaller than the sum of its proper divisors (326251584).

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

168988896 is a wasteful number, since it uses less digits than its factorization.

168988896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 939 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 63.

The square root of 168988896 is about 12999.5729160615. The cubic root of 168988896 is about 552.8653723225.

The spelling of 168988896 in words is "one hundred sixty-eight million, nine hundred eighty-eight thousand, eight hundred ninety-six".