99005599000 has 1024 divisors, whose sum is σ = 327794688000. Its totient is φ = 27060480000.

The previous prime is 99005598983. The next prime is 99005599009. The reversal of 99005599000 is 99550099.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99005599009) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1678060971 + ... + 1678061029.

It is an arithmetic number, because the mean of its divisors is an integer number (320112000).

Almost surely, 2^99005599000 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 99005599000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163897344000).

99005599000 is an abundant number, since it is smaller than the sum of its proper divisors (228789089000).

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

99005599000 is a wasteful number, since it uses less digits than its factorization.

99005599000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 164025, while the sum is 46.

The spelling of 99005599000 in words is "ninety-nine billion, five million, five hundred ninety-nine thousand".