163203552 has 96 divisors (see below), whose sum is σ = 486259200. Its totient is φ = 53230464.

The previous prime is 163203497. The next prime is 163203613. The reversal of 163203552 is 255302361.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38599 + ... + 42617.

It is an arithmetic number, because the mean of its divisors is an integer number (5065200).

Almost surely, 2^163203552 is an apocalyptic number.

163203552 is a gapful number since it is divisible by the number (12) 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 163203552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243129600).

163203552 is an abundant number, since it is smaller than the sum of its proper divisors (323055648).

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

163203552 is a wasteful number, since it uses less digits than its factorization.

163203552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085 (or 4071 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 163203552 is about 12775.1145591732. The cubic root of 163203552 is about 546.4828478409.

The spelling of 163203552 in words is "one hundred sixty-three million, two hundred three thousand, five hundred fifty-two".