1983325643760 has 320 divisors, whose sum is σ = 6515743680000. Its totient is φ = 498313998336.

The previous prime is 1983325643753. The next prime is 1983325643773. The reversal of 1983325643760 is 673465233891.

It is a self number, because there is not a number n which added to its sum of digits gives 1983325643760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49876366 + ... + 49916114.

It is an arithmetic number, because the mean of its divisors is an integer number (20361699000).

It is a 1-persistent number, because it is pandigital, but 2⋅1983325643760 = 3966651287520 is not.

Almost surely, 2^{1983325643760} is an apocalyptic number.

1983325643760 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 1983325643760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3257871840000).

1983325643760 is an abundant number, since it is smaller than the sum of its proper divisors (4532418036240).

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

1983325643760 is a wasteful number, since it uses less digits than its factorization.

1983325643760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39968 (or 39962 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 57.

The spelling of 1983325643760 in words is "one trillion, nine hundred eighty-three billion, three hundred twenty-five million, six hundred forty-three thousand, seven hundred sixty".