17220880216 has 16 divisors (see below), whose sum is σ = 32411926800. Its totient is φ = 8577699744.

The previous prime is 17220880213. The next prime is 17220880217. The reversal of 17220880216 is 61208802271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17220880211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4090311 + ... + 4094518.

It is an arithmetic number, because the mean of its divisors is an integer number (2025745425).

Almost surely, 2^17220880216 is an apocalyptic number.

It is an amenable number.

17220880216 is a deficient number, since it is larger than the sum of its proper divisors (15191046584).

17220880216 is a wasteful number, since it uses less digits than its factorization.

17220880216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8185098 (or 8185094 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 17220880216 in words is "seventeen billion, two hundred twenty million, eight hundred eighty thousand, two hundred sixteen".