91034620800 has 192 divisors, whose sum is σ = 303955091760. Its totient is φ = 23943168000.

The previous prime is 91034620799. The next prime is 91034620811. The reversal of 91034620800 is 802643019.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635850 + ... + 765750.

Almost surely, 2^91034620800 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 91034620800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151977545880).

91034620800 is an abundant number, since it is smaller than the sum of its proper divisors (212920470960).

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

91034620800 is a wasteful number, since it uses less digits than its factorization.

91034620800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130001 (or 129984 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 91034620800 in words is "ninety-one billion, thirty-four million, six hundred twenty thousand, eight hundred".