1116666165 has 16 divisors (see below), whose sum is σ = 1891764288. Its totient is φ = 560522496.

The previous prime is 1116666149. The next prime is 1116666167. The reversal of 1116666165 is 5616666111.

1116666165 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1116666165 - 2⁴ = 1116666149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116666167) 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, 2189287 + ... + 2189796.

It is an arithmetic number, because the mean of its divisors is an integer number (118235268).

Almost surely, 2^1116666165 is an apocalyptic number.

1116666165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1116666165 is a deficient number, since it is larger than the sum of its proper divisors (775098123).

1116666165 is a wasteful number, since it uses less digits than its factorization.

1116666165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379108.

The product of its digits is 38880, while the sum is 39.

The square root of 1116666165 is about 33416.5552533471. Note that the first 3 decimals coincide. The cubic root of 1116666165 is about 1037.4673844685.

The spelling of 1116666165 in words is "one billion, one hundred sixteen million, six hundred sixty-six thousand, one hundred sixty-five".