163352220 has 48 divisors (see below), whose sum is σ = 460326048. Its totient is φ = 43280640.

The previous prime is 163352209. The next prime is 163352239. The reversal of 163352220 is 22253361.

It is a congruent number.

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, 750 + ... + 18090.

It is an arithmetic number, because the mean of its divisors is an integer number (9590126).

Almost surely, 2^163352220 is an apocalyptic number.

163352220 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 163352220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230163024).

163352220 is an abundant number, since it is smaller than the sum of its proper divisors (296973828).

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

163352220 is a wasteful number, since it uses less digits than its factorization.

163352220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17510 (or 17508 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 163352220 is about 12780.9318909069. The cubic root of 163352220 is about 546.6487344571.

The spelling of 163352220 in words is "one hundred sixty-three million, three hundred fifty-two thousand, two hundred twenty".