9668555 has 8 divisors (see below), whose sum is σ = 12494832. Its totient is φ = 7139808.

The previous prime is 9668551. The next prime is 9668557. The reversal of 9668555 is 5558669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9668555 - 2² = 9668551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9668551) 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 in 7 ways as a sum of consecutive naturals, for example, 74309 + ... + 74438.

It is an arithmetic number, because the mean of its divisors is an integer number (1561854).

Almost surely, 2^9668555 is an apocalyptic number.

9668555 is a deficient number, since it is larger than the sum of its proper divisors (2826277).

9668555 is a wasteful number, since it uses less digits than its factorization.

9668555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148765.

The product of its digits is 324000, while the sum is 44.

The square root of 9668555 is about 3109.4300120762. The cubic root of 9668555 is about 213.0364209947.

The spelling of 9668555 in words is "nine million, six hundred sixty-eight thousand, five hundred fifty-five".