996093805590 has 640 divisors, whose sum is σ = 3216577174272. Its totient is φ = 218680197120.

The previous prime is 996093805561. The next prime is 996093805631. The reversal of 996093805590 is 95508390699.

996093805590 is a `hidden beast` number, since 9 + 9 + 6 + 0 + 9 + 38 + 0 + 5 + 590 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 465245920 + ... + 465248060.

Almost surely, 2^996093805590 is an apocalyptic number.

996093805590 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 996093805590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608288587136).

996093805590 is an abundant number, since it is smaller than the sum of its proper divisors (2220483368682).

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

996093805590 is a wasteful number, since it uses less digits than its factorization.

996093805590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 23619600, while the sum is 63.

The spelling of 996093805590 in words is "nine hundred ninety-six billion, ninety-three million, eight hundred five thousand, five hundred ninety".