16500555168 has 96 divisors (see below), whose sum is σ = 45631434240. Its totient is φ = 5206383360.

The previous prime is 16500555167. The next prime is 16500555191. The reversal of 16500555168 is 86155500561.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (16500555161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2753071 + ... + 2759057.

It is an arithmetic number, because the mean of its divisors is an integer number (475327440).

Almost surely, 2^16500555168 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 16500555168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22815717120).

16500555168 is an abundant number, since it is smaller than the sum of its proper divisors (29130879072).

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

16500555168 is a wasteful number, since it uses less digits than its factorization.

16500555168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530 (or 7522 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 16500555168 in words is "sixteen billion, five hundred million, five hundred fifty-five thousand, one hundred sixty-eight".