1001798571960 has 192 divisors, whose sum is σ = 3345008921280. Its totient is φ = 259835351040.

The previous prime is 1001798571941. The next prime is 1001798572007. The reversal of 1001798571960 is 691758971001.

1001798571960 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 7 + 9 + 8 + 571 + 9 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1001798571897 and 1001798571906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43558224 + ... + 43581216.

It is an arithmetic number, because the mean of its divisors is an integer number (17421921465).

Almost surely, 2^{1001798571960} is an apocalyptic number.

1001798571960 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 1001798571960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672504460640).

1001798571960 is an abundant number, since it is smaller than the sum of its proper divisors (2343210349320).

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

1001798571960 is a wasteful number, since it uses less digits than its factorization.

1001798571960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26318 (or 26311 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 54.

The spelling of 1001798571960 in words is "one trillion, one billion, seven hundred ninety-eight million, five hundred seventy-one thousand, nine hundred sixty".