163322880 has 352 divisors, whose sum is σ = 628838400. Its totient is φ = 36126720.

The previous prime is 163322821. The next prime is 163322881. The reversal of 163322880 is 88223361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163322881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5268465 + ... + 5268495.

Almost surely, 2^163322880 is an apocalyptic number.

163322880 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 163322880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314419200).

163322880 is an abundant number, since it is smaller than the sum of its proper divisors (465515520).

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

163322880 is an equidigital number, since it uses as much as digits as its factorization.

163322880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 163322880 is about 12779.7840357339. The cubic root of 163322880 is about 546.6160042944.

The spelling of 163322880 in words is "one hundred sixty-three million, three hundred twenty-two thousand, eight hundred eighty".