163663080 has 256 divisors, whose sum is σ = 606113280. Its totient is φ = 34504704.

The previous prime is 163663067. The next prime is 163663081. The reversal of 163663080 is 80366361.

It is not an unprimeable number, because it can be changed into a prime (163663081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1042362 + ... + 1042518.

It is an arithmetic number, because the mean of its divisors is an integer number (2367630).

Almost surely, 2^163663080 is an apocalyptic number.

163663080 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 163663080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303056640).

163663080 is an abundant number, since it is smaller than the sum of its proper divisors (442450200).

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

163663080 is a wasteful number, since it uses less digits than its factorization.

163663080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 163663080 is about 12793.0871958257. The cubic root of 163663080 is about 546.9952730514.

The spelling of 163663080 in words is "one hundred sixty-three million, six hundred sixty-three thousand, eighty".