2216160202564 has 144 divisors (see below), whose sum is σ = 5017495734720. Its totient is φ = 846701856000.

The previous prime is 2216160202561. The next prime is 2216160202577. The reversal of 2216160202564 is 4652020616122.

It is a happy number.

It is a super-2 number, since 2×2216160202564² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2216160202561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43506342 + ... + 43557250.

It is an arithmetic number, because the mean of its divisors is an integer number (34843720380).

Almost surely, 2^{2216160202564} 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 2216160202564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2508747867360).

2216160202564 is an abundant number, since it is smaller than the sum of its proper divisors (2801335532156).

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

2216160202564 is a wasteful number, since it uses less digits than its factorization.

2216160202564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51330 (or 51321 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 2216160202564 its reverse (4652020616122), we get a palindrome (6868180818686).

The spelling of 2216160202564 in words is "two trillion, two hundred sixteen billion, one hundred sixty million, two hundred two thousand, five hundred sixty-four".