91656484513327 has 2 divisors, whose sum is σ = 91656484513328. Its totient is φ = 91656484513326.

The previous prime is 91656484513303. The next prime is 91656484513397. The reversal of 91656484513327 is 72331548465619.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91656484513327 - 2⁷ = 91656484513199 is a prime.

It is a super-2 number, since 2×91656484513327² (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 (91656484513397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45828242256663 + 45828242256664.

It is an arithmetic number, because the mean of its divisors is an integer number (45828242256664).

Almost surely, 2^{91656484513327} is an apocalyptic number.

91656484513327 is a deficient number, since it is larger than the sum of its proper divisors (1).

91656484513327 is an equidigital number, since it uses as much as digits as its factorization.

91656484513327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 64.

The spelling of 91656484513327 in words is "ninety-one trillion, six hundred fifty-six billion, four hundred eighty-four million, five hundred thirteen thousand, three hundred twenty-seven".