9666366 has 16 divisors (see below), whose sum is σ = 19605888. Its totient is φ = 3176600.

The previous prime is 9666347. The next prime is 9666373. The reversal of 9666366 is 6636669.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10920 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (1225368).

Almost surely, 2^9666366 is an apocalyptic number.

9666366 is an abundant number, since it is smaller than the sum of its proper divisors (9939522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9666366 is a wasteful number, since it uses less digits than its factorization.

9666366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22767.

The product of its digits is 209952, while the sum is 42.

The square root of 9666366 is about 3109.0779983783. The cubic root of 9666366 is about 213.0203423451.

The spelling of 9666366 in words is "nine million, six hundred sixty-six thousand, three hundred sixty-six".