1999831356096 has 112 divisors (see below), whose sum is σ = 6052646125824. Its totient is φ = 570857204736.

The previous prime is 1999831356079. The next prime is 1999831356097. The reversal of 1999831356096 is 6906531389991.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1999831356096² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1999831356096.

It is not an unprimeable number, because it can be changed into a prime (1999831356097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788311 + ... + 2149673.

Almost surely, 2^{1999831356096} is an apocalyptic number.

1999831356096 is a gapful number since it is divisible by the number (16) 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 1999831356096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3026323062912).

1999831356096 is an abundant number, since it is smaller than the sum of its proper divisors (4052814769728).

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

1999831356096 is a wasteful number, since it uses less digits than its factorization.

1999831356096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362478 (or 1362468 counting only the distinct ones).

The product of its (nonzero) digits is 85030560, while the sum is 69.

The spelling of 1999831356096 in words is "one trillion, nine hundred ninety-nine billion, eight hundred thirty-one million, three hundred fifty-six thousand, ninety-six".