9666755 has 16 divisors (see below), whose sum is σ = 13359360. Its totient is φ = 6577632.

The previous prime is 9666743. The next prime is 9666757. The reversal of 9666755 is 5576669.

It is a cyclic number.

It is not a de Polignac number, because 9666755 - 2¹⁰ = 9665731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9666757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3872 + ... + 5858.

It is an arithmetic number, because the mean of its divisors is an integer number (834960).

Almost surely, 2^9666755 is an apocalyptic number.

9666755 is a deficient number, since it is larger than the sum of its proper divisors (3692605).

9666755 is a wasteful number, since it uses less digits than its factorization.

9666755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138.

The product of its digits is 340200, while the sum is 44.

The square root of 9666755 is about 3109.1405564882. The cubic root of 9666755 is about 213.0231998065.

The spelling of 9666755 in words is "nine million, six hundred sixty-six thousand, seven hundred fifty-five".