1168616766691 has 16 divisors (see below), whose sum is σ = 1280504286720. Its totient is φ = 1057679390880.

The previous prime is 1168616766679. The next prime is 1168616766719. The reversal of 1168616766691 is 1966676168611.

It is a cyclic number.

It is not a de Polignac number, because 1168616766691 - 2⁵ = 1168616766659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168616766661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2531350 + ... + 2957188.

It is an arithmetic number, because the mean of its divisors is an integer number (80031517920).

Almost surely, 2^{1168616766691} is an apocalyptic number.

1168616766691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1168616766691 is a deficient number, since it is larger than the sum of its proper divisors (111887520029).

1168616766691 is a wasteful number, since it uses less digits than its factorization.

1168616766691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426954.

The product of its digits is 23514624, while the sum is 64.

The spelling of 1168616766691 in words is "one trillion, one hundred sixty-eight billion, six hundred sixteen million, seven hundred sixty-six thousand, six hundred ninety-one".