1996863336612 has 96 divisors (see below), whose sum is σ = 5456620400000. Its totient is φ = 629767913472.

The previous prime is 1996863336607. The next prime is 1996863336623. The reversal of 1996863336612 is 2166333686991.

1996863336612 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 8 + 6 + 3 + 3 + 3 + 6 + 612 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1996863336612.

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 31 ways as a sum of consecutive naturals, for example, 945264 + ... + 2210712.

Almost surely, 2^{1996863336612} is an apocalyptic number.

1996863336612 is a gapful number since it is divisible by the number (12) 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 1996863336612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2728310200000).

1996863336612 is an abundant number, since it is smaller than the sum of its proper divisors (3459757063388).

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

1996863336612 is a wasteful number, since it uses less digits than its factorization.

1996863336612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266250 (or 1266242 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 63.

The spelling of 1996863336612 in words is "one trillion, nine hundred ninety-six billion, eight hundred sixty-three million, three hundred thirty-six thousand, six hundred twelve".