6667835592091 has 2 divisors, whose sum is σ = 6667835592092. Its totient is φ = 6667835592090.

The previous prime is 6667835592023. The next prime is 6667835592169. The reversal of 6667835592091 is 1902955387666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6667835592091 - 2²¹ = 6667833494939 is a prime.

It is not a weakly prime, because it can be changed into another prime (6667835592991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333917796045 + 3333917796046.

It is an arithmetic number, because the mean of its divisors is an integer number (3333917796046).

Almost surely, 2^{6667835592091} is an apocalyptic number.

6667835592091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667835592091 is an equidigital number, since it uses as much as digits as its factorization.

6667835592091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 146966400, while the sum is 67.

The spelling of 6667835592091 in words is "six trillion, six hundred sixty-seven billion, eight hundred thirty-five million, five hundred ninety-two thousand, ninety-one".