996814540836 has 81 divisors (see below), whose sum is σ = 2616929850171. Its totient is φ = 332217599688.

The previous prime is 996814540807. The next prime is 996814540849. The reversal of 996814540836 is 638045418699.

The square root of 996814540836 is 998406.

It is a perfect power (a square), and thus also a powerful number.

996814540836 is a `hidden beast` number, since 9 + 9 + 6 + 8 + 1 + 4 + 540 + 83 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (81).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 161738691 + ... + 161744853.

Almost surely, 2^996814540836 is an apocalyptic number.

996814540836 is the 998406-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996814540836

996814540836 is an abundant number, since it is smaller than the sum of its proper divisors (1620115309335).

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

996814540836 is an frugal number, since it uses more digits than its factorization.

996814540836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12354 (or 6168 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 996814540836 in words is "nine hundred ninety-six billion, eight hundred fourteen million, five hundred forty thousand, eight hundred thirty-six".