163168344 has 80 divisors (see below), whose sum is σ = 465743520. Its totient is φ = 53352000.

The previous prime is 163168339. The next prime is 163168361. The reversal of 163168344 is 443861361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 163168299 and 163168308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31969 + ... + 36719.

It is an arithmetic number, because the mean of its divisors is an integer number (5821794).

Almost surely, 2^163168344 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 163168344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232871760).

163168344 is an abundant number, since it is smaller than the sum of its proper divisors (302575176).

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

163168344 is a wasteful number, since it uses less digits than its factorization.

163168344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822 (or 4809 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 163168344 is about 12773.7364932897. The cubic root of 163168344 is about 546.4435473239.

The spelling of 163168344 in words is "one hundred sixty-three million, one hundred sixty-eight thousand, three hundred forty-four".