9660664 has 32 divisors (see below), whose sum is σ = 20538000. Its totient is φ = 4223232.

The previous prime is 9660661. The next prime is 9660689. The reversal of 9660664 is 4660669.

9660664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9660661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469 + ... + 4420.

Almost surely, 2^9660664 is an apocalyptic number.

It is an amenable number.

9660664 is an abundant number, since it is smaller than the sum of its proper divisors (10877336).

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

9660664 is a wasteful number, since it uses less digits than its factorization.

9660664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927 (or 4923 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 9660664 is about 3108.1608709975. The cubic root of 9660664 is about 212.9784485972.

The spelling of 9660664 in words is "nine million, six hundred sixty thousand, six hundred sixty-four".