10663664 has 20 divisors (see below), whose sum is σ = 22539480. Its totient is φ = 4847040.

The previous prime is 10663661. The next prime is 10663687. The reversal of 10663664 is 46636601.

10663664 is nontrivially palindromic in base 15.

10663664 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 2×10663664² = 227427459809792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10663664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663661) 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, 30119 + ... + 30470.

It is an arithmetic number, because the mean of its divisors is an integer number (1126974).

Almost surely, 2^10663664 is an apocalyptic number.

It is an amenable number.

10663664 is an abundant number, since it is smaller than the sum of its proper divisors (11875816).

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

10663664 is a wasteful number, since it uses less digits than its factorization.

10663664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60608 (or 60602 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 10663664 is about 3265.5266037808. The cubic root of 10663664 is about 220.1078259318.

The spelling of 10663664 in words is "ten million, six hundred sixty-three thousand, six hundred sixty-four".