11644006264 has 64 divisors (see below), whose sum is σ = 24648624000. Its totient is φ = 5110185600.

The previous prime is 11644006261. The next prime is 11644006271. The reversal of 11644006264 is 46260044611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11644006261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412887 + ... + 440185.

It is an arithmetic number, because the mean of its divisors is an integer number (385134750).

Almost surely, 2^11644006264 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 11644006264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12324312000).

11644006264 is an abundant number, since it is smaller than the sum of its proper divisors (13004617736).

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

11644006264 is a wasteful number, since it uses less digits than its factorization.

11644006264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27484 (or 27480 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 11644006264 in words is "eleven billion, six hundred forty-four million, six thousand, two hundred sixty-four".