16663892168 has 256 divisors, whose sum is σ = 41893632000. Its totient is φ = 6152267520.

The previous prime is 16663892149. The next prime is 16663892171. The reversal of 16663892168 is 86129836661.

It is a happy number.

16663892168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (56).

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 63 ways as a sum of consecutive naturals, for example, 48022571 + ... + 48022917.

It is an arithmetic number, because the mean of its divisors is an integer number (163647000).

Almost surely, 2^16663892168 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 16663892168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20946816000).

16663892168 is an abundant number, since it is smaller than the sum of its proper divisors (25229739832).

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

16663892168 is a wasteful number, since it uses less digits than its factorization.

16663892168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 447 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The spelling of 16663892168 in words is "sixteen billion, six hundred sixty-three million, eight hundred ninety-two thousand, one hundred sixty-eight".