2216516677 has 2 divisors, whose sum is σ = 2216516678. Its totient is φ = 2216516676.

The previous prime is 2216516669. The next prime is 2216516681. The reversal of 2216516677 is 7766156122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2190801636 + 25715041 = 46806^2 + 5071^2 .

It is a cyclic number.

It is not a de Polignac number, because 2216516677 - 2³ = 2216516669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216516077) 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 as a sum of consecutive naturals, namely, 1108258338 + 1108258339.

It is an arithmetic number, because the mean of its divisors is an integer number (1108258339).

Almost surely, 2^2216516677 is an apocalyptic number.

It is an amenable number.

2216516677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216516677 is an equidigital number, since it uses as much as digits as its factorization.

2216516677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 2216516677 is about 47079.8967394789. The cubic root of 2216516677 is about 1303.8381004933.

The spelling of 2216516677 in words is "two billion, two hundred sixteen million, five hundred sixteen thousand, six hundred seventy-seven".