1116666783 has 8 divisors (see below), whose sum is σ = 1654321200. Its totient is φ = 744444504.

The previous prime is 1116666781. The next prime is 1116666787. The reversal of 1116666783 is 3876666111.

It is not a de Polignac number, because 1116666783 - 2¹ = 1116666781 is a prime.

It is a super-3 number, since 3×1116666783³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116666781) 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, 20678988 + ... + 20679041.

It is an arithmetic number, because the mean of its divisors is an integer number (206790150).

Almost surely, 2^1116666783 is an apocalyptic number.

1116666783 is a deficient number, since it is larger than the sum of its proper divisors (537654417).

1116666783 is an equidigital number, since it uses as much as digits as its factorization.

1116666783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41358038 (or 41358032 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 1116666783 is about 33416.5645002594. The cubic root of 1116666783 is about 1037.4675758580.

The spelling of 1116666783 in words is "one billion, one hundred sixteen million, six hundred sixty-six thousand, seven hundred eighty-three".