11665301664 has 24 divisors (see below), whose sum is σ = 30621417120. Its totient is φ = 3888433856.

The previous prime is 11665301653. The next prime is 11665301671. The reversal of 11665301664 is 46610356611.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60756684 + ... + 60756875.

It is an arithmetic number, because the mean of its divisors is an integer number (1275892380).

Almost surely, 2^11665301664 is an apocalyptic number.

It is an amenable number.

11665301664 is an abundant number, since it is smaller than the sum of its proper divisors (18956115456).

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

11665301664 is a wasteful number, since it uses less digits than its factorization.

11665301664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121513572 (or 121513564 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 11665301664 in words is "eleven billion, six hundred sixty-five million, three hundred one thousand, six hundred sixty-four".