11345664 has 144 divisors (see below), whose sum is σ = 35320320. Its totient is φ = 3194880.

The previous prime is 11345629. The next prime is 11345683. The reversal of 11345664 is 46654311.

It is a congruent number.

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, 143577 + ... + 143655.

It is an arithmetic number, because the mean of its divisors is an integer number (245280).

Almost surely, 2^11345664 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 11345664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17660160).

11345664 is an abundant number, since it is smaller than the sum of its proper divisors (23974656).

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

11345664 is a wasteful number, since it uses less digits than its factorization.

11345664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 112 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 11345664 is about 3368.3325251525. The cubic root of 11345664 is about 224.7035701290.

Adding to 11345664 its reverse (46654311), we get a palindrome (57999975).

The spelling of 11345664 in words is "eleven million, three hundred forty-five thousand, six hundred sixty-four".