163289016 has 72 divisors (see below), whose sum is σ = 486125640. Its totient is φ = 49478880.

The previous prime is 163288987. The next prime is 163289033. The reversal of 163289016 is 610982361.

163289016 is a `hidden beast` number, since 1 + 632 + 8 + 9 + 0 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 660 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (6751745).

Almost surely, 2^163289016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163289016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243062820).

163289016 is an abundant number, since it is smaller than the sum of its proper divisors (322836624).

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

163289016 is a wasteful number, since it uses less digits than its factorization.

163289016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18777 (or 18759 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 163289016 is about 12778.4590620309. The cubic root of 163289016 is about 546.5782225215.

The spelling of 163289016 in words is "one hundred sixty-three million, two hundred eighty-nine thousand, sixteen".