1116666784 has 24 divisors (see below), whose sum is σ = 2314146240. Its totient is φ = 528947136.

The previous prime is 1116666781. The next prime is 1116666787. The reversal of 1116666784 is 4876666111.

It is an interprime number because it is at equal distance from previous prime (1116666781) and next prime (1116666787).

It is not an unprimeable number, because it can be changed into a prime (1116666781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917704 + ... + 918919.

It is an arithmetic number, because the mean of its divisors is an integer number (96422760).

Almost surely, 2^1116666784 is an apocalyptic number.

It is an amenable number.

1116666784 is an abundant number, since it is smaller than the sum of its proper divisors (1197479456).

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

1116666784 is a wasteful number, since it uses less digits than its factorization.

1116666784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836652 (or 1836644 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 1116666784 is about 33416.5645152221. The cubic root of 1116666784 is about 1037.4675761677.

The spelling of 1116666784 in words is "one billion, one hundred sixteen million, six hundred sixty-six thousand, seven hundred eighty-four".