11666160010065 has 128 divisors (see below), whose sum is σ = 21196219428864. Its totient is φ = 5430522240000.

The previous prime is 11666160010027. The next prime is 11666160010073. The reversal of 11666160010065 is 56001006166611.

It is not a de Polignac number, because 11666160010065 - 2⁸ = 11666160009809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 88407235 + ... + 88539095.

It is an arithmetic number, because the mean of its divisors is an integer number (165595464288).

Almost surely, 2^{11666160010065} is an apocalyptic number.

11666160010065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11666160010065 is a deficient number, since it is larger than the sum of its proper divisors (9530059418799).

11666160010065 is a wasteful number, since it uses less digits than its factorization.

11666160010065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132151.

The product of its (nonzero) digits is 38880, while the sum is 39.

Adding to 11666160010065 its reverse (56001006166611), we get a palindrome (67667166176676).

The spelling of 11666160010065 in words is "eleven trillion, six hundred sixty-six billion, one hundred sixty million, ten thousand, sixty-five".