163963216 has 40 divisors (see below), whose sum is σ = 339264000. Its totient is φ = 76594560.

The previous prime is 163963207. The next prime is 163963231. The reversal of 163963216 is 612369361.

163963216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 8685 + ... + 20083.

It is an arithmetic number, because the mean of its divisors is an integer number (8481600).

Almost surely, 2^163963216 is an apocalyptic number.

163963216 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 163963216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169632000).

163963216 is an abundant number, since it is smaller than the sum of its proper divisors (175300784).

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

163963216 is a wasteful number, since it uses less digits than its factorization.

163963216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467 (or 11461 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 163963216 is about 12804.8122204115. The cubic root of 163963216 is about 547.3294406971.

The spelling of 163963216 in words is "one hundred sixty-three million, nine hundred sixty-three thousand, two hundred sixteen".