99189072993024 has 648 divisors, whose sum is σ = 356129008155648. Its totient is φ = 27425524008960.

The previous prime is 99189072993019. The next prime is 99189072993133. The reversal of 99189072993024 is 42039927098199.

99189072993024 is a `hidden beast` number, since 9 + 91 + 89 + 0 + 72 + 99 + 302 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a Harshad number since it is a multiple of its sum of digits (72).

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 71 ways as a sum of consecutive naturals, for example, 93969109 + ... + 95018795.

Almost surely, 2^{99189072993024} 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 99189072993024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178064504077824).

99189072993024 is an abundant number, since it is smaller than the sum of its proper divisors (256939935162624).

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

99189072993024 is a wasteful number, since it uses less digits than its factorization.

99189072993024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049763 (or 1049730 counting only the distinct ones).

The product of its (nonzero) digits is 158723712, while the sum is 72.

The spelling of 99189072993024 in words is "ninety-nine trillion, one hundred eighty-nine billion, seventy-two million, nine hundred ninety-three thousand, twenty-four".