1996579912320 has 768 divisors, whose sum is σ = 8601339801600. Its totient is φ = 432337637376.

The previous prime is 1996579912319. The next prime is 1996579912331. The reversal of 1996579912320 is 232199756991.

1996579912320 is a `hidden beast` number, since 19 + 9 + 6 + 579 + 9 + 1 + 23 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20635897 + ... + 20732423.

It is an arithmetic number, because the mean of its divisors is an integer number (11199661200).

Almost surely, 2^{1996579912320} is an apocalyptic number.

1996579912320 is a gapful number since it is divisible by the number (10) 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 1996579912320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4300669900800).

1996579912320 is an abundant number, since it is smaller than the sum of its proper divisors (6604759889280).

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

1996579912320 is an equidigital number, since it uses as much as digits as its factorization.

1996579912320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96587 (or 96563 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 63.

The spelling of 1996579912320 in words is "one trillion, nine hundred ninety-six billion, five hundred seventy-nine million, nine hundred twelve thousand, three hundred twenty".