91906087848960 has 704 divisors, whose sum is σ = 367670342467584. Its totient is φ = 19035886387200.

The previous prime is 91906087848923. The next prime is 91906087848979. The reversal of 91906087848960 is 6984878060919.

It is a tau number, because it is divible by the number of its divisors (704).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 367700989 + ... + 367950851.

Almost surely, 2^{91906087848960} 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 91906087848960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183835171233792).

91906087848960 is an abundant number, since it is smaller than the sum of its proper divisors (275764254618624).

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

91906087848960 is a wasteful number, since it uses less digits than its factorization.

91906087848960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250220 (or 250202 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 75.

The spelling of 91906087848960 in words is "ninety-one trillion, nine hundred six billion, eighty-seven million, eight hundred forty-eight thousand, nine hundred sixty".