163743216 has 160 divisors (see below), whose sum is σ = 548298240. Its totient is φ = 40891392.

The previous prime is 163743199. The next prime is 163743227. The reversal of 163743216 is 612347361.

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 31 ways as a sum of consecutive naturals, for example, 82006 + ... + 83978.

It is an arithmetic number, because the mean of its divisors is an integer number (3426864).

Almost surely, 2^163743216 is an apocalyptic number.

163743216 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 163743216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274149120).

163743216 is an abundant number, since it is smaller than the sum of its proper divisors (384555024).

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

163743216 is a wasteful number, since it uses less digits than its factorization.

163743216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2017 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 163743216 is about 12796.2188165098. The cubic root of 163743216 is about 547.0845354166.

The spelling of 163743216 in words is "one hundred sixty-three million, seven hundred forty-three thousand, two hundred sixteen".