16867977168 has 160 divisors (see below), whose sum is σ = 53492608000. Its totient is φ = 4565683584.

The previous prime is 16867977131. The next prime is 16867977179. The reversal of 16867977168 is 86177976861.

It is a junction number, because it is equal to n+sod(n) for n = 16867977099 and 16867977108.

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, 285855 + ... + 339777.

It is an arithmetic number, because the mean of its divisors is an integer number (334328800).

Almost surely, 2^16867977168 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 16867977168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26746304000).

16867977168 is an abundant number, since it is smaller than the sum of its proper divisors (36624630832).

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

16867977168 is a wasteful number, since it uses less digits than its factorization.

16867977168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53974 (or 53954 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 66.

The spelling of 16867977168 in words is "sixteen billion, eight hundred sixty-seven million, nine hundred seventy-seven thousand, one hundred sixty-eight".