163563936 has 192 divisors, whose sum is σ = 485968896. Its totient is φ = 47923200.

The previous prime is 163563887. The next prime is 163564001. The reversal of 163563936 is 639365361.

It is a super-2 number, since 2×163563936² = 53506322319624192, which contains 22 as substring.

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, 2681346 + ... + 2681406.

It is an arithmetic number, because the mean of its divisors is an integer number (2531088).

Almost surely, 2^163563936 is an apocalyptic number.

163563936 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 163563936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242984448).

163563936 is an abundant number, since it is smaller than the sum of its proper divisors (322404960).

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

163563936 is a wasteful number, since it uses less digits than its factorization.

163563936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 167 counting only the distinct ones).

The product of its digits is 262440, while the sum is 42.

The square root of 163563936 is about 12789.2117036196. The cubic root of 163563936 is about 546.8847976084.

The spelling of 163563936 in words is "one hundred sixty-three million, five hundred sixty-three thousand, nine hundred thirty-six".