9666544 has 20 divisors (see below), whose sum is σ = 19334080. Its totient is φ = 4677120.

The previous prime is 9666533. The next prime is 9666551. The reversal of 9666544 is 4456669.

9666544 is an admirable number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9666497 and 9666506.

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, 9249 + ... + 10240.

It is an arithmetic number, because the mean of its divisors is an integer number (966704).

Almost surely, 2^9666544 is an apocalyptic number.

It is an amenable number.

9666544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9666544 is a wasteful number, since it uses less digits than its factorization.

9666544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19528 (or 19522 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 9666544 is about 3109.1066240964. The cubic root of 9666544 is about 213.0216498819.

The spelling of 9666544 in words is "nine million, six hundred sixty-six thousand, five hundred forty-four".