2216626017729 has 16 divisors (see below), whose sum is σ = 3009020700672. Its totient is φ = 1451204231888.

The previous prime is 2216626017659. The next prime is 2216626017743. The reversal of 2216626017729 is 9277106266122.

It is not a de Polignac number, because 2216626017729 - 2⁹ = 2216626017217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2216626017799) 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, 26611449 + ... + 26694614.

It is an arithmetic number, because the mean of its divisors is an integer number (188063793792).

Almost surely, 2^{2216626017729} is an apocalyptic number.

It is an amenable number.

2216626017729 is a deficient number, since it is larger than the sum of its proper divisors (792394682943).

2216626017729 is a wasteful number, since it uses less digits than its factorization.

2216626017729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53306316.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 2216626017729 in words is "two trillion, two hundred sixteen billion, six hundred twenty-six million, seventeen thousand, seven hundred twenty-nine".