163871180 has 48 divisors (see below), whose sum is σ = 378223776. Its totient is φ = 59143680.

The previous prime is 163871179. The next prime is 163871207. The reversal of 163871180 is 81178361.

163871180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 163871180.

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, 27422 + ... + 32858.

It is an arithmetic number, because the mean of its divisors is an integer number (7879662).

Almost surely, 2^163871180 is an apocalyptic number.

163871180 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 163871180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189111888).

163871180 is an abundant number, since it is smaller than the sum of its proper divisors (214352596).

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

163871180 is a wasteful number, since it uses less digits than its factorization.

163871180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5592 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 163871180 is about 12801.2179108083. The cubic root of 163871180 is about 547.2270123559.

The spelling of 163871180 in words is "one hundred sixty-three million, eight hundred seventy-one thousand, one hundred eighty".