115660600066 has 32 divisors (see below), whose sum is σ = 204301699200. Its totient is φ = 48553169280.

The previous prime is 115660600063. The next prime is 115660600093. The reversal of 115660600066 is 660006066511.

It is a junction number, because it is equal to n+sod(n) for n = 115660599998 and 115660600034.

It is not an unprimeable number, because it can be changed into a prime (115660600061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3926331 + ... + 3955678.

It is an arithmetic number, because the mean of its divisors is an integer number (6384428100).

Almost surely, 2^115660600066 is an apocalyptic number.

115660600066 is a deficient number, since it is larger than the sum of its proper divisors (88641099134).

115660600066 is a wasteful number, since it uses less digits than its factorization.

115660600066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882074.

The product of its (nonzero) digits is 38880, while the sum is 37.

Adding to 115660600066 its reverse (660006066511), we get a palindrome (775666666577).

The spelling of 115660600066 in words is "one hundred fifteen billion, six hundred sixty million, six hundred thousand, sixty-six".