1099851916068 has 36 divisors (see below), whose sum is σ = 2788951549020. Its totient is φ = 365460780096.

The previous prime is 1099851916003. The next prime is 1099851916109. The reversal of 1099851916068 is 8606191589901.

1099851916068 is a `hidden beast` number, since 1 + 0 + 9 + 9 + 8 + 5 + 19 + 1 + 606 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 306109905984 + 793742010084 = 553272^2 + 890922^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1099851915996 and 1099851916014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48176983 + ... + 48199806.

Almost surely, 2^{1099851916068} is an apocalyptic number.

1099851916068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1099851916068 is an abundant number, since it is smaller than the sum of its proper divisors (1689099632952).

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

1099851916068 is a wasteful number, since it uses less digits than its factorization.

1099851916068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96377116 (or 96377111 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 63.

The spelling of 1099851916068 in words is "one trillion, ninety-nine billion, eight hundred fifty-one million, nine hundred sixteen thousand, sixty-eight".