99946829550 has 192 divisors, whose sum is σ = 268497815040. Its totient is φ = 24521472000.

The previous prime is 99946829467. The next prime is 99946829557. The reversal of 99946829550 is 5592864999.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99946829557) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27224215 + ... + 27227885.

It is an arithmetic number, because the mean of its divisors is an integer number (1398426120).

Almost surely, 2^99946829550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99946829550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134248907520).

99946829550 is an abundant number, since it is smaller than the sum of its proper divisors (168550985490).

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

99946829550 is a wasteful number, since it uses less digits than its factorization.

99946829550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979 (or 3974 counting only the distinct ones).

The product of its (nonzero) digits is 62985600, while the sum is 66.

The spelling of 99946829550 in words is "ninety-nine billion, nine hundred forty-six million, eight hundred twenty-nine thousand, five hundred fifty".