163343616 has 72 divisors (see below), whose sum is σ = 460341504. Its totient is φ = 51240960.

The previous prime is 163343603. The next prime is 163343623. The reversal of 163343616 is 616343361.

It is a super-2 number, since 2×163343616² = 53362273775910912, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 6801 + ... + 19311.

It is an arithmetic number, because the mean of its divisors is an integer number (6393632).

Almost surely, 2^163343616 is an apocalyptic number.

163343616 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 163343616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230170752).

163343616 is an abundant number, since it is smaller than the sum of its proper divisors (296997888).

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

163343616 is a wasteful number, since it uses less digits than its factorization.

163343616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12547 (or 12533 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 163343616 is about 12780.5952913000. The cubic root of 163343616 is about 546.6391366928.

Adding to 163343616 its reverse (616343361), we get a palindrome (779686977).

The spelling of 163343616 in words is "one hundred sixty-three million, three hundred forty-three thousand, six hundred sixteen".