996116657 has 2 divisors, whose sum is σ = 996116658. Its totient is φ = 996116656.

The previous prime is 996116651. The next prime is 996116659. The reversal of 996116657 is 756611699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 873261601 + 122855056 = 29551^2 + 11084^2 .

It is a cyclic number.

It is not a de Polignac number, because 996116657 - 2⁶ = 996116593 is a prime.

Together with 996116659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (996116651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498058328 + 498058329.

It is an arithmetic number, because the mean of its divisors is an integer number (498058329).

Almost surely, 2^996116657 is an apocalyptic number.

It is an amenable number.

996116657 is a deficient number, since it is larger than the sum of its proper divisors (1).

996116657 is an equidigital number, since it uses as much as digits as its factorization.

996116657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 50.

The square root of 996116657 is about 31561.3158312514. The cubic root of 996116657 is about 998.7038731142.

The spelling of 996116657 in words is "nine hundred ninety-six million, one hundred sixteen thousand, six hundred fifty-seven".