91968536596 has 12 divisors (see below), whose sum is σ = 161571185748. Its totient is φ = 45805340672.

The previous prime is 91968536593. The next prime is 91968536609. The reversal of 91968536596 is 69563586919.

It can be written as a sum of positive squares in 2 ways, for example, as 88812344196 + 3156192400 = 298014^2 + 56180^2 .

It is a super-3 number, since 3×91968536596³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91968536593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44730751 + ... + 44732806.

It is an arithmetic number, because the mean of its divisors is an integer number (13464265479).

Almost surely, 2^91968536596 is an apocalyptic number.

It is an amenable number.

91968536596 is a deficient number, since it is larger than the sum of its proper divisors (69602649152).

91968536596 is a wasteful number, since it uses less digits than its factorization.

91968536596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89463818 (or 89463816 counting only the distinct ones).

The product of its digits is 94478400, while the sum is 67.

The spelling of 91968536596 in words is "ninety-one billion, nine hundred sixty-eight million, five hundred thirty-six thousand, five hundred ninety-six".