163332816 has 80 divisors (see below), whose sum is σ = 449971200. Its totient is φ = 50903424.

The previous prime is 163332809. The next prime is 163332817. The reversal of 163332816 is 618233361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163332817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70915 + ... + 73181.

It is an arithmetic number, because the mean of its divisors is an integer number (5624640).

Almost surely, 2^163332816 is an apocalyptic number.

163332816 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 163332816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224985600).

163332816 is an abundant number, since it is smaller than the sum of its proper divisors (286638384).

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

163332816 is a wasteful number, since it uses less digits than its factorization.

163332816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376 (or 2370 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 163332816 is about 12780.1727687852. The cubic root of 163332816 is about 546.6270888129.

The spelling of 163332816 in words is "one hundred sixty-three million, three hundred thirty-two thousand, eight hundred sixteen".