1996685570048 has 104 divisors (see below), whose sum is σ = 4303440002400. Its totient is φ = 920816123904.

The previous prime is 1996685570023. The next prime is 1996685570101. The reversal of 1996685570048 is 8400755866991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (104).

It is a self number, because there is not a number n which added to its sum of digits gives 1996685570048.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 70219898 + ... + 70248326.

Almost surely, 2^{1996685570048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996685570048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151720001200).

1996685570048 is an abundant number, since it is smaller than the sum of its proper divisors (2306754432352).

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

1996685570048 is a wasteful number, since it uses less digits than its factorization.

1996685570048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29785 (or 29763 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 68.

The spelling of 1996685570048 in words is "one trillion, nine hundred ninety-six billion, six hundred eighty-five million, five hundred seventy thousand, forty-eight".