116105566185 has 64 divisors (see below), whose sum is σ = 246153461760. Its totient is φ = 50769132480.

The previous prime is 116105566151. The next prime is 116105566189. The reversal of 116105566185 is 581665501611.

116105566185 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 0 + 5 + 566 + 1 + 85 = 666.

It is not a de Polignac number, because 116105566185 - 2⁶ = 116105566121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 116105566185.

It is not an unprimeable number, because it can be changed into a prime (116105566189) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2649201 + ... + 2692670.

It is an arithmetic number, because the mean of its divisors is an integer number (3846147840).

Almost surely, 2^116105566185 is an apocalyptic number.

116105566185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116105566185 is an abundant number, since it is smaller than the sum of its proper divisors (130047895575).

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

116105566185 is a wasteful number, since it uses less digits than its factorization.

116105566185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341915 (or 5341909 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The spelling of 116105566185 in words is "one hundred sixteen billion, one hundred five million, five hundred sixty-six thousand, one hundred eighty-five".