11445664 has 12 divisors (see below), whose sum is σ = 22533714. Its totient is φ = 5722816.

The previous prime is 11445661. The next prime is 11445671. The reversal of 11445664 is 46654411.

It can be written as a sum of positive squares in only one way, i.e., 10837264 + 608400 = 3292^2 + 780^2 .

It is not an unprimeable number, because it can be changed into a prime (11445661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178807 + ... + 178870.

Almost surely, 2^11445664 is an apocalyptic number.

It is an amenable number.

11445664 is a deficient number, since it is larger than the sum of its proper divisors (11088050).

11445664 is an equidigital number, since it uses as much as digits as its factorization.

11445664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357687 (or 357679 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 11445664 is about 3383.1440997983. The cubic root of 11445664 is about 225.3618145747.

The spelling of 11445664 in words is "eleven million, four hundred forty-five thousand, six hundred sixty-four".