1168986281408 has 84 divisors (see below), whose sum is σ = 2660620322640. Its totient is φ = 508254827520.

The previous prime is 1168986281381. The next prime is 1168986281461. The reversal of 1168986281408 is 8041826898611.

It is a super-2 number, since 2×1168986281408² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3103493 + ... + 3459716.

It is an arithmetic number, because the mean of its divisors is an integer number (31674051460).

Almost surely, 2^{1168986281408} is an apocalyptic number.

It is an amenable number.

1168986281408 is an abundant number, since it is smaller than the sum of its proper divisors (1491634041232).

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

1168986281408 is a wasteful number, since it uses less digits than its factorization.

1168986281408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563266 (or 6563245 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 62.

The spelling of 1168986281408 in words is "one trillion, one hundred sixty-eight billion, nine hundred eighty-six million, two hundred eighty-one thousand, four hundred eight".