11646044464 has 20 divisors (see below), whose sum is σ = 22989952656. Its totient is φ = 5713153472.

The previous prime is 11646044461. The next prime is 11646044467. The reversal of 11646044464 is 46444064611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11646044461) and next prime (11646044467).

It is not an unprimeable number, because it can be changed into a prime (11646044461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6865924 + ... + 6867619.

Almost surely, 2^11646044464 is an apocalyptic number.

It is an amenable number.

11646044464 is a deficient number, since it is larger than the sum of its proper divisors (11343908192).

11646044464 is a wasteful number, since it uses less digits than its factorization.

11646044464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13733604 (or 13733598 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 11646044464 in words is "eleven billion, six hundred forty-six million, forty-four thousand, four hundred sixty-four".