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2018086632161 is a prime number
BaseRepresentation
bin11101010111011111010…
…101100011101011100001
321010221000221000221222022
4131113133111203223201
5231031020134212121
64143032440151225
7265542032225045
oct35273725435341
97127027027868
102018086632161
11708958324276
12287151168515
131183c6707992
146d9669cc025
1537765c99aab
hex1d5df563ae1

2018086632161 has 2 divisors, whose sum is σ = 2018086632162. Its totient is φ = 2018086632160.

The previous prime is 2018086632091. The next prime is 2018086632167. The reversal of 2018086632161 is 1612366808102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2005214595136 + 12872037025 = 1416056^2 + 113455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018086632161 - 214 = 2018086615777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2018086632167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009043316080 + 1009043316081.

It is an arithmetic number, because the mean of its divisors is an integer number (1009043316081).

Almost surely, 22018086632161 is an apocalyptic number.

It is an amenable number.

2018086632161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018086632161 is an equidigital number, since it uses as much as digits as its factorization.

2018086632161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 2018086632161 in words is "two trillion, eighteen billion, eighty-six million, six hundred thirty-two thousand, one hundred sixty-one".