191596378182127 has 2 divisors, whose sum is σ = 191596378182128. Its totient is φ = 191596378182126.

The previous prime is 191596378182071. The next prime is 191596378182149. The reversal of 191596378182127 is 721281873695191.

191596378182127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-191596378182127 is a prime.

It is a super-2 number, since 2×191596378182127² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191596378182197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95798189091063 + 95798189091064.

It is an arithmetic number, because the mean of its divisors is an integer number (95798189091064).

Almost surely, 2^{191596378182127} is an apocalyptic number.

191596378182127 is a deficient number, since it is larger than the sum of its proper divisors (1).

191596378182127 is an equidigital number, since it uses as much as digits as its factorization.

191596378182127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 70.

The spelling of 191596378182127 in words is "one hundred ninety-one trillion, five hundred ninety-six billion, three hundred seventy-eight million, one hundred eighty-two thousand, one hundred twenty-seven".