2216514664 has 32 divisors (see below), whose sum is σ = 5115035520. Its totient is φ = 876862656.

The previous prime is 2216514661. The next prime is 2216514697. The reversal of 2216514664 is 4664156122.

It is not an unprimeable number, because it can be changed into a prime (2216514661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521604 + ... + 1523059.

It is an arithmetic number, because the mean of its divisors is an integer number (159844860).

Almost surely, 2^2216514664 is an apocalyptic number.

It is an amenable number.

2216514664 is an abundant number, since it is smaller than the sum of its proper divisors (2898520856).

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

2216514664 is a wasteful number, since it uses less digits than its factorization.

2216514664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044689 (or 3044685 counting only the distinct ones).

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

The square root of 2216514664 is about 47079.8753609225. The cubic root of 2216514664 is about 1303.8377057858.

The spelling of 2216514664 in words is "two billion, two hundred sixteen million, five hundred fourteen thousand, six hundred sixty-four".