10556664 has 16 divisors (see below), whose sum is σ = 26391720. Its totient is φ = 3518880.

The previous prime is 10556659. The next prime is 10556669. The reversal of 10556664 is 46665501.

It is an interprime number because it is at equal distance from previous prime (10556659) and next prime (10556669).

It is a super-2 number, since 2×10556664² = 222886309617792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219907 + ... + 219954.

Almost surely, 2^10556664 is an apocalyptic number.

It is an amenable number.

10556664 is an abundant number, since it is smaller than the sum of its proper divisors (15835056).

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

10556664 is a wasteful number, since it uses less digits than its factorization.

10556664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439870 (or 439866 counting only the distinct ones).

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

The square root of 10556664 is about 3249.1020297922. The cubic root of 10556664 is about 219.3691569941.

The spelling of 10556664 in words is "ten million, five hundred fifty-six thousand, six hundred sixty-four".