99535446528 has 320 divisors, whose sum is σ = 322352701440. Its totient is φ = 26658865152.

The previous prime is 99535446473. The next prime is 99535446611. The reversal of 99535446528 is 82564453599.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19813425 + ... + 19818447.

It is an arithmetic number, because the mean of its divisors is an integer number (1007352192).

Almost surely, 2^99535446528 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 99535446528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161176350720).

99535446528 is an abundant number, since it is smaller than the sum of its proper divisors (222817254912).

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

99535446528 is a wasteful number, since it uses less digits than its factorization.

99535446528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5151 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 60.

The spelling of 99535446528 in words is "ninety-nine billion, five hundred thirty-five million, four hundred forty-six thousand, five hundred twenty-eight".