191010416027 has 2 divisors, whose sum is σ = 191010416028. Its totient is φ = 191010416026.

The previous prime is 191010415997. The next prime is 191010416131. The reversal of 191010416027 is 720614010191.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 191010416027 - 2²² = 191006221723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 191010415984 and 191010416002.

It is not a weakly prime, because it can be changed into another prime (191010416627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95505208013 + 95505208014.

It is an arithmetic number, because the mean of its divisors is an integer number (95505208014).

Almost surely, 2^191010416027 is an apocalyptic number.

191010416027 is a deficient number, since it is larger than the sum of its proper divisors (1).

191010416027 is an equidigital number, since it uses as much as digits as its factorization.

191010416027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 191010416027 in words is "one hundred ninety-one billion, ten million, four hundred sixteen thousand, twenty-seven".