163015216 has 80 divisors (see below), whose sum is σ = 392863744. Its totient is φ = 63804672.

The previous prime is 163015207. The next prime is 163015243. The reversal of 163015216 is 612510361.

163015216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149425 + ... + 150511.

Almost surely, 2^163015216 is an apocalyptic number.

163015216 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 163015216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196431872).

163015216 is an abundant number, since it is smaller than the sum of its proper divisors (229848528).

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

163015216 is a wasteful number, since it uses less digits than its factorization.

163015216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 163015216 is about 12767.7412254478. The cubic root of 163015216 is about 546.2725541955.

Adding to 163015216 its reverse (612510361), we get a palindrome (775525577).

The spelling of 163015216 in words is "one hundred sixty-three million, fifteen thousand, two hundred sixteen".