9666416 has 20 divisors (see below), whose sum is σ = 18857424. Its totient is φ = 4800000.

The previous prime is 9666409. The next prime is 9666427. The reversal of 9666416 is 6146669.

It is a self number, because there is not a number n which added to its sum of digits gives 9666416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416 + ... + 4416.

Almost surely, 2^9666416 is an apocalyptic number.

It is an amenable number.

9666416 is a deficient number, since it is larger than the sum of its proper divisors (9191008).

9666416 is a wasteful number, since it uses less digits than its factorization.

9666416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160 (or 4154 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 9666416 is about 3109.0860393370. The cubic root of 9666416 is about 213.0207096324.

The spelling of 9666416 in words is "nine million, six hundred sixty-six thousand, four hundred sixteen".