163233620 has 48 divisors (see below), whose sum is σ = 374976000. Its totient is φ = 59195520.

The previous prime is 163233619. The next prime is 163233667. The reversal of 163233620 is 26332361.

It is a self number, because there is not a number n which added to its sum of digits gives 163233620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104606 + ... + 106154.

It is an arithmetic number, because the mean of its divisors is an integer number (7812000).

Almost surely, 2^163233620 is an apocalyptic number.

163233620 is a gapful number since it is divisible by the number (10) 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 163233620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187488000).

163233620 is an abundant number, since it is smaller than the sum of its proper divisors (211742380).

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

163233620 is a wasteful number, since it uses less digits than its factorization.

163233620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 163233620 is about 12776.2913241676. The cubic root of 163233620 is about 546.5164064186.

Adding to 163233620 its reverse (26332361), we get a palindrome (189565981).

The spelling of 163233620 in words is "one hundred sixty-three million, two hundred thirty-three thousand, six hundred twenty".