1996495566912 has 1792 divisors, whose sum is σ = 8005754880000. Its totient is φ = 482223974400.

The previous prime is 1996495566853. The next prime is 1996495567009. The reversal of 1996495566912 is 2196655946991.

1996495566912 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 4 + 9 + 556 + 69 + 1 + 2 = 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 255 ways as a sum of consecutive naturals, for example, 8795134543 + ... + 8795134769.

Almost surely, 2^{1996495566912} is an apocalyptic number.

1996495566912 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 1996495566912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4002877440000).

1996495566912 is an abundant number, since it is smaller than the sum of its proper divisors (6009259313088).

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

1996495566912 is a wasteful number, since it uses less digits than its factorization.

1996495566912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 340 counting only the distinct ones).

The product of its digits is 283435200, while the sum is 72.

The spelling of 1996495566912 in words is "one trillion, nine hundred ninety-six billion, four hundred ninety-five million, five hundred sixty-six thousand, nine hundred twelve".