1116671999 has 8 divisors (see below), whose sum is σ = 1176975360. Its totient is φ = 1057821856.

The previous prime is 1116671891. The next prime is 1116672017. The reversal of 1116671999 is 9991766111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1116671999 - 2²⁰ = 1115623423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116677999) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 361727 + ... + 364800.

It is an arithmetic number, because the mean of its divisors is an integer number (147121920).

Almost surely, 2^1116671999 is an apocalyptic number.

1116671999 is a deficient number, since it is larger than the sum of its proper divisors (60303361).

1116671999 is an equidigital number, since it uses as much as digits as its factorization.

1116671999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726609.

The product of its digits is 183708, while the sum is 50.

The square root of 1116671999 is about 33416.6425452947. The cubic root of 1116671999 is about 1037.4691912078.

The spelling of 1116671999 in words is "one billion, one hundred sixteen million, six hundred seventy-one thousand, nine hundred ninety-nine".