10664556 has 48 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 3045840.

The previous prime is 10664519. The next prime is 10664561. The reversal of 10664556 is 65546601.

10664556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10664556² = 227465509354272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2821 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 2^10664556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10664556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515200).

10664556 is an abundant number, since it is smaller than the sum of its proper divisors (18365844).

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

10664556 is a wasteful number, since it uses less digits than its factorization.

10664556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 10664556 is about 3265.6631792027. The cubic root of 10664556 is about 220.1139629940.

The spelling of 10664556 in words is "ten million, six hundred sixty-four thousand, five hundred fifty-six".