996394591296 has 252 divisors, whose sum is σ = 3129861007728. Its totient is φ = 302886724608.

The previous prime is 996394591273. The next prime is 996394591301. The reversal of 996394591296 is 692195493699.

996394591296 is a `hidden beast` number, since 9 + 9 + 6 + 3 + 9 + 4 + 591 + 29 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8017891 + ... + 8141213.

It is an arithmetic number, because the mean of its divisors is an integer number (12420083364).

Almost surely, 2^996394591296 is an apocalyptic number.

996394591296 is a gapful number since it is divisible by the number (96) 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 996394591296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564930503864).

996394591296 is an abundant number, since it is smaller than the sum of its proper divisors (2133466416432).

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

996394591296 is a wasteful number, since it uses less digits than its factorization.

996394591296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123450 (or 123424 counting only the distinct ones).

The product of its digits is 255091680, while the sum is 72.

It can be divided in two parts, 9963945 and 91296, that added together give a square (10055241 = 3171²).

The spelling of 996394591296 in words is "nine hundred ninety-six billion, three hundred ninety-four million, five hundred ninety-one thousand, two hundred ninety-six".