163643160 has 128 divisors (see below), whose sum is σ = 516533760. Its totient is φ = 41395200.

The previous prime is 163643159. The next prime is 163643189. The reversal of 163643160 is 61346361.

163643160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582220 + ... + 582500.

It is an arithmetic number, because the mean of its divisors is an integer number (4035420).

Almost surely, 2^163643160 is an apocalyptic number.

163643160 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 163643160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258266880).

163643160 is an abundant number, since it is smaller than the sum of its proper divisors (352890600).

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

163643160 is a wasteful number, since it uses less digits than its factorization.

163643160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 163643160 is about 12792.3086266709. The cubic root of 163643160 is about 546.9730799216.

The spelling of 163643160 in words is "one hundred sixty-three million, six hundred forty-three thousand, one hundred sixty".