6161768219 has 2 divisors, whose sum is σ = 6161768220. Its totient is φ = 6161768218.

The previous prime is 6161768183. The next prime is 6161768231. The reversal of 6161768219 is 9128671616.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6161768219 is a prime.

It is a super-2 number, since 2×6161768219² = 75934775169356863922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6161768519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080884109 + 3080884110.

It is an arithmetic number, because the mean of its divisors is an integer number (3080884110).

Almost surely, 2^6161768219 is an apocalyptic number.

6161768219 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161768219 is an equidigital number, since it uses as much as digits as its factorization.

6161768219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 47.

The square root of 6161768219 is about 78496.9312712287. The cubic root of 6161768219 is about 1833.3066733056.

The spelling of 6161768219 in words is "six billion, one hundred sixty-one million, seven hundred sixty-eight thousand, two hundred nineteen".