163143841608 has 512 divisors, whose sum is σ = 529514496000. Its totient is φ = 46075392000.

The previous prime is 163143841607. The next prime is 163143841613. The reversal of 163143841608 is 806148341361.

163143841608 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 4 + 38 + 4 + 1 + 608 = 666.

163143841608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (163143841607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 268770441 + ... + 268771047.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208000).

Almost surely, 2^163143841608 is an apocalyptic number.

163143841608 is a gapful number since it is divisible by the number (18) 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 163143841608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264757248000).

163143841608 is an abundant number, since it is smaller than the sum of its proper divisors (366370654392).

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

163143841608 is a wasteful number, since it uses less digits than its factorization.

163143841608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 163143841608 in words is "one hundred sixty-three billion, one hundred forty-three million, eight hundred forty-one thousand, six hundred eight".