163484280 has 192 divisors, whose sum is σ = 555984000. Its totient is φ = 41626368.

The previous prime is 163484267. The next prime is 163484287. The reversal of 163484280 is 82484361.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163484287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 913231 + ... + 913409.

It is an arithmetic number, because the mean of its divisors is an integer number (2895750).

Almost surely, 2^163484280 is an apocalyptic number.

163484280 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 163484280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277992000).

163484280 is an abundant number, since it is smaller than the sum of its proper divisors (392499720).

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

163484280 is a wasteful number, since it uses less digits than its factorization.

163484280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 163484280 is about 12786.0971371252. The cubic root of 163484280 is about 546.7960051559.

The spelling of 163484280 in words is "one hundred sixty-three million, four hundred eighty-four thousand, two hundred eighty".