91468090520 has 16 divisors (see below), whose sum is σ = 205803203760. Its totient is φ = 36587236192.

The previous prime is 91468090481. The next prime is 91468090529. The reversal of 91468090520 is 2509086419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91468090529) 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, 1143351092 + ... + 1143351171.

It is an arithmetic number, because the mean of its divisors is an integer number (12862700235).

Almost surely, 2^91468090520 is an apocalyptic number.

It is an amenable number.

91468090520 is an abundant number, since it is smaller than the sum of its proper divisors (114335113240).

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

91468090520 is a wasteful number, since it uses less digits than its factorization.

91468090520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286702274 (or 2286702270 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 91468090520 in words is "ninety-one billion, four hundred sixty-eight million, ninety thousand, five hundred twenty".