1996525240068 has 12 divisors (see below), whose sum is σ = 4658558893520. Its totient is φ = 665508413352.

The previous prime is 1996525240063. The next prime is 1996525240081. The reversal of 1996525240068 is 8600425256991.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1996525240068² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1996525240063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83188551658 + ... + 83188551681.

Almost surely, 2^{1996525240068} is an apocalyptic number.

It is an amenable number.

1996525240068 is an abundant number, since it is smaller than the sum of its proper divisors (2662033653452).

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

1996525240068 is a wasteful number, since it uses less digits than its factorization.

1996525240068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166377103346 (or 166377103344 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 1996525240068 in words is "one trillion, nine hundred ninety-six billion, five hundred twenty-five million, two hundred forty thousand, sixty-eight".