116216642169 has 12 divisors (see below), whose sum is σ = 167873105556. Its totient is φ = 77475628032.

The previous prime is 116216642153. The next prime is 116216642177. The reversal of 116216642169 is 961246612611.

116216642169 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 166 + 421 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25261923600 + 90954718569 = 158940^2 + 301587^2 .

It is not a de Polignac number, because 116216642169 - 2⁴ = 116216642153 is a prime.

It is a super-2 number, since 2×116216642169² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116216642869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212257 + ... + 526769.

It is an arithmetic number, because the mean of its divisors is an integer number (13989425463).

Almost surely, 2^116216642169 is an apocalyptic number.

It is an amenable number.

116216642169 is a deficient number, since it is larger than the sum of its proper divisors (51656463387).

116216642169 is a wasteful number, since it uses less digits than its factorization.

116216642169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355576 (or 355573 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The spelling of 116216642169 in words is "one hundred sixteen billion, two hundred sixteen million, six hundred forty-two thousand, one hundred sixty-nine".