9667663 has 2 divisors, whose sum is σ = 9667664. Its totient is φ = 9667662.

The previous prime is 9667661. The next prime is 9667667. The reversal of 9667663 is 3667669.

It is a weak prime.

It is an emirp because it is prime and its reverse (3667669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9667663 - 2¹ = 9667661 is a prime.

Together with 9667661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9667661) 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, 4833831 + 4833832.

It is an arithmetic number, because the mean of its divisors is an integer number (4833832).

Almost surely, 2^9667663 is an apocalyptic number.

9667663 is a deficient number, since it is larger than the sum of its proper divisors (1).

9667663 is an equidigital number, since it uses as much as digits as its factorization.

9667663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 9667663 is about 3109.2865741195. The cubic root of 9667663 is about 213.0298693665.

The spelling of 9667663 in words is "nine million, six hundred sixty-seven thousand, six hundred sixty-three".