202216670189 has 2 divisors, whose sum is σ = 202216670190. Its totient is φ = 202216670188.

The previous prime is 202216670167. The next prime is 202216670191. The reversal of 202216670189 is 981076612202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201753688900 + 462981289 = 449170^2 + 21517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202216670189 is a prime.

Together with 202216670191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202216670129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101108335094 + 101108335095.

It is an arithmetic number, because the mean of its divisors is an integer number (101108335095).

Almost surely, 2^202216670189 is an apocalyptic number.

It is an amenable number.

202216670189 is a deficient number, since it is larger than the sum of its proper divisors (1).

202216670189 is an equidigital number, since it uses as much as digits as its factorization.

202216670189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 202216670189 in words is "two hundred two billion, two hundred sixteen million, six hundred seventy thousand, one hundred eighty-nine".