10664564 has 6 divisors (see below), whose sum is σ = 18662994. Its totient is φ = 5332280.

The previous prime is 10664561. The next prime is 10664581. The reversal of 10664564 is 46546601.

10664564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8168164 + 2496400 = 2858^2 + 1580^2 .

It is a super-2 number, since 2×10664564² = 227465850620192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10664564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10664561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333067 + ... + 1333074.

It is an arithmetic number, because the mean of its divisors is an integer number (3110499).

Almost surely, 2^10664564 is an apocalyptic number.

It is an amenable number.

10664564 is a deficient number, since it is larger than the sum of its proper divisors (7998430).

10664564 is a wasteful number, since it uses less digits than its factorization.

10664564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666145 (or 2666143 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 10664564 is about 3265.6644040685. The cubic root of 10664564 is about 220.1140180334.

The spelling of 10664564 in words is "ten million, six hundred sixty-four thousand, five hundred sixty-four".