91328941204800 has 1008 divisors, whose sum is σ = 341164981668672. Its totient is φ = 21260007014400.

The previous prime is 91328941204769. The next prime is 91328941204829. The reversal of 91328941204800 is 840214982319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13898785515 + ... + 13898792085.

It is an arithmetic number, because the mean of its divisors is an integer number (338457323084).

Almost surely, 2^{91328941204800} 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 91328941204800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170582490834336).

91328941204800 is an abundant number, since it is smaller than the sum of its proper divisors (249836040463872).

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

91328941204800 is a wasteful number, since it uses less digits than its factorization.

91328941204800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264 (or 7230 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 91328941204800 in words is "ninety-one trillion, three hundred twenty-eight billion, nine hundred forty-one million, two hundred four thousand, eight hundred".