99165803520 has 704 divisors, whose sum is σ = 387112919040. Its totient is φ = 21150302208.

The previous prime is 99165803519. The next prime is 99165803549. The reversal of 99165803520 is 2530856199.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 99165803520.

It is a congruent number.

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, 414919561 + ... + 414919799.

Almost surely, 2^99165803520 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 99165803520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193556459520).

99165803520 is an abundant number, since it is smaller than the sum of its proper divisors (287947115520).

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

99165803520 is a wasteful number, since it uses less digits than its factorization.

99165803520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 99165803520 in words is "ninety-nine billion, one hundred sixty-five million, eight hundred three thousand, five hundred twenty".