99206163895440 has 320 divisors, whose sum is σ = 352672989626880. Its totient is φ = 22598391398400.

The previous prime is 99206163895411. The next prime is 99206163895459. The reversal of 99206163895440 is 4459836160299.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 784814322 + ... + 784940718.

It is an arithmetic number, because the mean of its divisors is an integer number (1102103092584).

Almost surely, 2^{99206163895440} 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 99206163895440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176336494813440).

99206163895440 is an abundant number, since it is smaller than the sum of its proper divisors (253466825731440).

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

99206163895440 is a wasteful number, since it uses less digits than its factorization.

99206163895440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128010 (or 128004 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 66.

The spelling of 99206163895440 in words is "ninety-nine trillion, two hundred six billion, one hundred sixty-three million, eight hundred ninety-five thousand, four hundred forty".