11660065516 has 12 divisors (see below), whose sum is σ = 22260125160. Its totient is φ = 5300029760.

The previous prime is 11660065513. The next prime is 11660065531. The reversal of 11660065516 is 61556006611.

It is not an unprimeable number, because it can be changed into a prime (11660065513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132500701 + ... + 132500788.

It is an arithmetic number, because the mean of its divisors is an integer number (1855010430).

Almost surely, 2^11660065516 is an apocalyptic number.

It is an amenable number.

11660065516 is a deficient number, since it is larger than the sum of its proper divisors (10600059644).

11660065516 is a wasteful number, since it uses less digits than its factorization.

11660065516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265001504 (or 265001502 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 11660065516 in words is "eleven billion, six hundred sixty million, sixty-five thousand, five hundred sixteen".