9616657 has 2 divisors, whose sum is σ = 9616658. Its totient is φ = 9616656.

The previous prime is 9616637. The next prime is 9616667. The reversal of 9616657 is 7566169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5934096 + 3682561 = 2436^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 9616657 - 2¹¹ = 9614609 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9616627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4808328 + 4808329.

It is an arithmetic number, because the mean of its divisors is an integer number (4808329).

Almost surely, 2^9616657 is an apocalyptic number.

It is an amenable number.

9616657 is a deficient number, since it is larger than the sum of its proper divisors (1).

9616657 is an equidigital number, since it uses as much as digits as its factorization.

9616657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 9616657 is about 3101.0735237978. The cubic root of 9616657 is about 212.6545643651.

The spelling of 9616657 in words is "nine million, six hundred sixteen thousand, six hundred fifty-seven".