2647966216 has 32 divisors (see below), whose sum is σ = 5676834240. Its totient is φ = 1134318528.

The previous prime is 2647966213. The next prime is 2647966357. The reversal of 2647966216 is 6126697462.

It is a super-3 number, since 3×2647966216³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2647966216.

It is not an unprimeable number, because it can be changed into a prime (2647966213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126771 + ... + 146173.

It is an arithmetic number, because the mean of its divisors is an integer number (177401070).

Almost surely, 2^2647966216 is an apocalyptic number.

It is an amenable number.

2647966216 is an abundant number, since it is smaller than the sum of its proper divisors (3028868024).

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

2647966216 is a wasteful number, since it uses less digits than its factorization.

2647966216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21853 (or 21849 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 2647966216 is about 51458.3930569154. The cubic root of 2647966216 is about 1383.4733996785.

The spelling of 2647966216 in words is "two billion, six hundred forty-seven million, nine hundred sixty-six thousand, two hundred sixteen".