1999893375696 has 160 divisors (see below), whose sum is σ = 5357812078080. Its totient is φ = 642372014592.

The previous prime is 1999893375629. The next prime is 1999893375827. The reversal of 1999893375696 is 6965733989991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126591670 + ... + 126607466.

It is an arithmetic number, because the mean of its divisors is an integer number (33486325488).

Almost surely, 2^{1999893375696} is an apocalyptic number.

1999893375696 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 1999893375696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678906039040).

1999893375696 is an abundant number, since it is smaller than the sum of its proper divisors (3357918702384).

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

1999893375696 is a wasteful number, since it uses less digits than its factorization.

1999893375696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16673 (or 16667 counting only the distinct ones).

The product of its digits is 5356925280, while the sum is 84.

The spelling of 1999893375696 in words is "one trillion, nine hundred ninety-nine billion, eight hundred ninety-three million, three hundred seventy-five thousand, six hundred ninety-six".