168823914 has 40 divisors (see below), whose sum is σ = 393932640. Its totient is φ = 48231288.

The previous prime is 168823913. The next prime is 168823927. The reversal of 168823914 is 419328861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (168823913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8547 + ... + 20265.

It is an arithmetic number, because the mean of its divisors is an integer number (9848316).

Almost surely, 2^168823914 is an apocalyptic number.

168823914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168823914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196966320).

168823914 is an abundant number, since it is smaller than the sum of its proper divisors (225108726).

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

168823914 is an equidigital number, since it uses as much as digits as its factorization.

168823914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11752 (or 11731 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 168823914 is about 12993.2256964928. The cubic root of 168823914 is about 552.6853949463.

The spelling of 168823914 in words is "one hundred sixty-eight million, eight hundred twenty-three thousand, nine hundred fourteen".