91533849792000 has 5120 divisors, whose sum is σ = 415108151377920. Its totient is φ = 17340825600000.

The previous prime is 91533849791983. The next prime is 91533849792043. The reversal of 91533849792000 is 29794833519.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 943647935952 + ... + 943647936048.

It is an arithmetic number, because the mean of its divisors is an integer number (81075810816).

Almost surely, 2^{91533849792000} 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 91533849792000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207554075688960).

91533849792000 is an abundant number, since it is smaller than the sum of its proper divisors (323574301585920).

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

91533849792000 is a wasteful number, since it uses less digits than its factorization.

91533849792000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 91533849792000 in words is "ninety-one trillion, five hundred thirty-three billion, eight hundred forty-nine million, seven hundred ninety-two thousand".