83146771055191 has 2 divisors, whose sum is σ = 83146771055192. Its totient is φ = 83146771055190.

The previous prime is 83146771055189. The next prime is 83146771055219. The reversal of 83146771055191 is 19155017764138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83146771055191 - 2¹ = 83146771055189 is a prime.

Together with 83146771055189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83146771055141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41573385527595 + 41573385527596.

It is an arithmetic number, because the mean of its divisors is an integer number (41573385527596).

Almost surely, 2^{83146771055191} is an apocalyptic number.

83146771055191 is a deficient number, since it is larger than the sum of its proper divisors (1).

83146771055191 is an equidigital number, since it uses as much as digits as its factorization.

83146771055191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 58.

The spelling of 83146771055191 in words is "eighty-three trillion, one hundred forty-six billion, seven hundred seventy-one million, fifty-five thousand, one hundred ninety-one".