11516644 has 6 divisors (see below), whose sum is σ = 20154134. Its totient is φ = 5758320.

The previous prime is 11516581. The next prime is 11516663. The reversal of 11516644 is 44661511.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 2214144 = 3050^2 + 1488^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439577 + ... + 1439584.

Almost surely, 2^11516644 is an apocalyptic number.

It is an amenable number.

11516644 is a deficient number, since it is larger than the sum of its proper divisors (8637490).

11516644 is a wasteful number, since it uses less digits than its factorization.

11516644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879165 (or 2879163 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 11516644 is about 3393.6181281930. The cubic root of 11516644 is about 225.8267134340.

The spelling of 11516644 in words is "eleven million, five hundred sixteen thousand, six hundred forty-four".