99605232000 has 768 divisors, whose sum is σ = 377106762240. Its totient is φ = 25159680000.

The previous prime is 99605231983. The next prime is 99605232007. The reversal of 99605232000 is 23250699.

99605232000 is a `hidden beast` number, since 9 + 9 + 605 + 23 + 20 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99605232007) 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, 236591790 + ... + 236592210.

It is an arithmetic number, because the mean of its divisors is an integer number (491024430).

Almost surely, 2^99605232000 is an apocalyptic number.

99605232000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99605232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188553381120).

99605232000 is an abundant number, since it is smaller than the sum of its proper divisors (277501530240).

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

99605232000 is a wasteful number, since it uses less digits than its factorization.

99605232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

Adding to 99605232000 its reverse (23250699), we get a palindrome (99628482699).

The spelling of 99605232000 in words is "ninety-nine billion, six hundred five million, two hundred thirty-two thousand".