99164330825280 has 448 divisors, whose sum is σ = 366121078272000. Its totient is φ = 22269935296512.

The previous prime is 99164330825207. The next prime is 99164330825333. The reversal of 99164330825280 is 8252803346199.

It is a tau number, because it is divible by the number of its divisors (448).

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

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, 744919366 + ... + 745052474.

Almost surely, 2^{99164330825280} 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 99164330825280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183060539136000).

99164330825280 is an abundant number, since it is smaller than the sum of its proper divisors (266956747446720).

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

99164330825280 is a wasteful number, since it uses less digits than its factorization.

99164330825280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135074 (or 135064 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 99164330825280 in words is "ninety-nine trillion, one hundred sixty-four billion, three hundred thirty million, eight hundred twenty-five thousand, two hundred eighty".