116556655666 has 24 divisors (see below), whose sum is σ = 193463808300. Its totient is φ = 52624709280.

The previous prime is 116556655661. The next prime is 116556655697. The reversal of 116556655666 is 666556655611.

It can be written as a sum of positive squares in 2 ways, for example, as 116393557225 + 163098441 = 341165^2 + 12771^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 116556655666.

It is not an unprimeable number, because it can be changed into a prime (116556655661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1580181 + ... + 1652296.

Almost surely, 2^116556655666 is an apocalyptic number.

116556655666 is a deficient number, since it is larger than the sum of its proper divisors (76907152634).

116556655666 is a wasteful number, since it uses less digits than its factorization.

116556655666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232650 (or 3232639 counting only the distinct ones).

The product of its digits is 29160000, while the sum is 58.

Subtracting 116556655666 from its reverse (666556655611), we obtain a palindrome (549999999945).

The spelling of 116556655666 in words is "one hundred sixteen billion, five hundred fifty-six million, six hundred fifty-five thousand, six hundred sixty-six".