2016796784089 has 4 divisors (see below), whose sum is σ = 2027939307940. Its totient is φ = 2005654260240.

The previous prime is 2016796784053. The next prime is 2016796784117. The reversal of 2016796784089 is 9804876976102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 496014544089 + 1520782240000 = 704283^2 + 1233200^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016796784089 - 2²⁹ = 2016259913177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2016796704089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5571261654 + ... + 5571262015.

It is an arithmetic number, because the mean of its divisors is an integer number (506984826985).

Almost surely, 2^{2016796784089} is an apocalyptic number.

It is an amenable number.

2016796784089 is a deficient number, since it is larger than the sum of its proper divisors (11142523851).

2016796784089 is a wasteful number, since it uses less digits than its factorization.

2016796784089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142523850.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 2016796784089 in words is "two trillion, sixteen billion, seven hundred ninety-six million, seven hundred eighty-four thousand, eighty-nine".