91922968000 has 224 divisors, whose sum is σ = 231256441728. Its totient is φ = 36191232000.

The previous prime is 91922967977. The next prime is 91922968003. The reversal of 91922968000 is 86922919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91922968003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231543802 + ... + 231544198.

Almost surely, 2^91922968000 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 91922968000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115628220864).

91922968000 is an abundant number, since it is smaller than the sum of its proper divisors (139333473728).

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

91922968000 is a wasteful number, since it uses less digits than its factorization.

91922968000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 91922968000 in words is "ninety-one billion, nine hundred twenty-two million, nine hundred sixty-eight thousand".