65214092161 has 2 divisors, whose sum is σ = 65214092162. Its totient is φ = 65214092160.

The previous prime is 65214092159. The next prime is 65214092189. The reversal of 65214092161 is 16129041256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54969615936 + 10244476225 = 234456^2 + 101215^2 .

It is a cyclic number.

It is not a de Polignac number, because 65214092161 - 2¹ = 65214092159 is a prime.

Together with 65214092159, 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 65214092161.

It is not a weakly prime, because it can be changed into another prime (65214092861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32607046080 + 32607046081.

It is an arithmetic number, because the mean of its divisors is an integer number (32607046081).

Almost surely, 2^65214092161 is an apocalyptic number.

It is an amenable number.

65214092161 is a deficient number, since it is larger than the sum of its proper divisors (1).

65214092161 is an equidigital number, since it uses as much as digits as its factorization.

65214092161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 65214092161 in words is "sixty-five billion, two hundred fourteen million, ninety-two thousand, one hundred sixty-one".