9666266 has 4 divisors (see below), whose sum is σ = 14499402. Its totient is φ = 4833132.

The previous prime is 9666259. The next prime is 9666277. The reversal of 9666266 is 6626669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6626669 = 7 ⋅946667.

It can be written as a sum of positive squares in only one way, i.e., 9431041 + 235225 = 3071^2 + 485^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2416565 + ... + 2416568.

Almost surely, 2^9666266 is an apocalyptic number.

9666266 is a deficient number, since it is larger than the sum of its proper divisors (4833136).

9666266 is a wasteful number, since it uses less digits than its factorization.

9666266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833135.

The product of its digits is 139968, while the sum is 41.

The square root of 9666266 is about 3109.0619163986. The cubic root of 9666266 is about 213.0196077668.

The spelling of 9666266 in words is "nine million, six hundred sixty-six thousand, two hundred sixty-six".