91001466009071 has 2 divisors, whose sum is σ = 91001466009072. Its totient is φ = 91001466009070.

The previous prime is 91001466009059. The next prime is 91001466009089. The reversal of 91001466009071 is 17090066410019.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91001466009071 - 2⁶ = 91001466009007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91001466009871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45500733004535 + 45500733004536.

It is an arithmetic number, because the mean of its divisors is an integer number (45500733004536).

Almost surely, 2^{91001466009071} is an apocalyptic number.

91001466009071 is a deficient number, since it is larger than the sum of its proper divisors (1).

91001466009071 is an equidigital number, since it uses as much as digits as its factorization.

91001466009071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 91001466009071 in words is "ninety-one trillion, one billion, four hundred sixty-six million, nine thousand, seventy-one".