1168418876661 has 12 divisors (see below), whose sum is σ = 1699857999840. Its totient is φ = 773341989480.

The previous prime is 1168418876659. The next prime is 1168418876693. The reversal of 1168418876661 is 1666788148611.

It is not a de Polignac number, because 1168418876661 - 2¹ = 1168418876659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168418876561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466992705 + ... + 466995206.

It is an arithmetic number, because the mean of its divisors is an integer number (141654833320).

Almost surely, 2^{1168418876661} is an apocalyptic number.

It is an amenable number.

1168418876661 is a deficient number, since it is larger than the sum of its proper divisors (531439123179).

1168418876661 is a wasteful number, since it uses less digits than its factorization.

1168418876661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933988056 (or 933988053 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 63.

The spelling of 1168418876661 in words is "one trillion, one hundred sixty-eight billion, four hundred eighteen million, eight hundred seventy-six thousand, six hundred sixty-one".