2216016557 has 2 divisors, whose sum is σ = 2216016558. Its totient is φ = 2216016556.

The previous prime is 2216016547. The next prime is 2216016559. The reversal of 2216016557 is 7556106122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2215208356 + 808201 = 47066^2 + 899^2 .

It is a cyclic number.

It is not a de Polignac number, because 2216016557 - 2⁴ = 2216016541 is a prime.

Together with 2216016559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216016559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108008278 + 1108008279.

It is an arithmetic number, because the mean of its divisors is an integer number (1108008279).

Almost surely, 2^2216016557 is an apocalyptic number.

It is an amenable number.

2216016557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216016557 is an equidigital number, since it uses as much as digits as its factorization.

2216016557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2216016557 is about 47074.5850433119. The cubic root of 2216016557 is about 1303.7400300137.

The spelling of 2216016557 in words is "two billion, two hundred sixteen million, sixteen thousand, five hundred fifty-seven".