1031803868160 has 880 divisors, whose sum is σ = 4024905824016. Its totient is φ = 251236712448.

The previous prime is 1031803868143. The next prime is 1031803868197. The reversal of 1031803868160 is 618683081301.

1031803868160 is a `hidden beast` number, since 1 + 0 + 31 + 80 + 386 + 8 + 160 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 189872833536 + 841931034624 = 435744^2 + 917568^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 522960934 + ... + 522962906.

Almost surely, 2^{1031803868160} is an apocalyptic number.

1031803868160 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 1031803868160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012452912008).

1031803868160 is an abundant number, since it is smaller than the sum of its proper divisors (2993101955856).

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

1031803868160 is a wasteful number, since it uses less digits than its factorization.

1031803868160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 1031803868160 in words is "one trillion, thirty-one billion, eight hundred three million, eight hundred sixty-eight thousand, one hundred sixty".