1082985191568 has 120 divisors (see below), whose sum is σ = 3465661832256. Its totient is φ = 309261024000.

The previous prime is 1082985191543. The next prime is 1082985191653. The reversal of 1082985191568 is 8651915892801.

1082985191568 is a `hidden beast` number, since 10 + 8 + 2 + 9 + 8 + 51 + 9 + 1 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1633623 + ... + 2198793.

Almost surely, 2^{1082985191568} is an apocalyptic number.

1082985191568 is a gapful number since it is divisible by the number (18) 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 1082985191568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732830916128).

1082985191568 is an abundant number, since it is smaller than the sum of its proper divisors (2382676640688).

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

1082985191568 is a wasteful number, since it uses less digits than its factorization.

1082985191568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567093 (or 567084 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 63.

The spelling of 1082985191568 in words is "one trillion, eighty-two billion, nine hundred eighty-five million, one hundred ninety-one thousand, five hundred sixty-eight".