2616286116809 has 2 divisors, whose sum is σ = 2616286116810. Its totient is φ = 2616286116808.

The previous prime is 2616286116799. The next prime is 2616286116859. The reversal of 2616286116809 is 9086116826162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2616176851600 + 109265209 = 1617460^2 + 10453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2616286116809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2616286116859) 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 as a sum of consecutive naturals, namely, 1308143058404 + 1308143058405.

It is an arithmetic number, because the mean of its divisors is an integer number (1308143058405).

Almost surely, 2^{2616286116809} is an apocalyptic number.

It is an amenable number.

2616286116809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616286116809 is an equidigital number, since it uses as much as digits as its factorization.

2616286116809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 2616286116809 in words is "two trillion, six hundred sixteen billion, two hundred eighty-six million, one hundred sixteen thousand, eight hundred nine".