91709366336 has 224 divisors, whose sum is σ = 230565740544. Its totient is φ = 35288064000.

The previous prime is 91709366303. The next prime is 91709366389. The reversal of 91709366336 is 63366390719.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16760081 + ... + 16765551.

Almost surely, 2^91709366336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91709366336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115282870272).

91709366336 is an abundant number, since it is smaller than the sum of its proper divisors (138856374208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91709366336 is a wasteful number, since it uses less digits than its factorization.

91709366336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609 (or 5599 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 53.

The spelling of 91709366336 in words is "ninety-one billion, seven hundred nine million, three hundred sixty-six thousand, three hundred thirty-six".