91695806368 has 48 divisors (see below), whose sum is σ = 190065960000. Its totient is φ = 43426063872.

The previous prime is 91695806299. The next prime is 91695806381. The reversal of 91695806368 is 86360859619.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756828 + ... + 3781156.

It is an arithmetic number, because the mean of its divisors is an integer number (3959707500).

Almost surely, 2^91695806368 is an apocalyptic number.

It is an amenable number.

91695806368 is an abundant number, since it is smaller than the sum of its proper divisors (98370153632).

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

91695806368 is a wasteful number, since it uses less digits than its factorization.

91695806368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30557 (or 30549 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 91695806368 in words is "ninety-one billion, six hundred ninety-five million, eight hundred six thousand, three hundred sixty-eight".