116566201 has 2 divisors, whose sum is σ = 116566202. Its totient is φ = 116566200.

The previous prime is 116566199. The next prime is 116566207. The reversal of 116566201 is 102665611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80084601 + 36481600 = 8949^2 + 6040^2 .

It is a cyclic number.

It is not a de Polignac number, because 116566201 - 2¹ = 116566199 is a prime.

Together with 116566199, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 116566201.

It is not a weakly prime, because it can be changed into another prime (116566207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58283100 + 58283101.

It is an arithmetic number, because the mean of its divisors is an integer number (58283101).

Almost surely, 2^116566201 is an apocalyptic number.

It is an amenable number.

116566201 is a deficient number, since it is larger than the sum of its proper divisors (1).

116566201 is an equidigital number, since it uses as much as digits as its factorization.

116566201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 116566201 is about 10796.5828390283. The cubic root of 116566201 is about 488.4921033077.

The spelling of 116566201 in words is "one hundred sixteen million, five hundred sixty-six thousand, two hundred one".