1116065808 has 240 divisors, whose sum is σ = 3719386944. Its totient is φ = 307952640.

The previous prime is 1116065803. The next prime is 1116065831. The reversal of 1116065808 is 8085606111.

1116065808 is a `hidden beast` number, since 1 + 11 + 60 + 6 + 580 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1116065803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1708810 + ... + 1709462.

Almost surely, 2^1116065808 is an apocalyptic number.

1116065808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116065808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1859693472).

1116065808 is an abundant number, since it is smaller than the sum of its proper divisors (2603321136).

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

1116065808 is a wasteful number, since it uses less digits than its factorization.

1116065808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1116065808 is about 33407.5711179367. The cubic root of 1116065808 is about 1037.2814254411.

The spelling of 1116065808 in words is "one billion, one hundred sixteen million, sixty-five thousand, eight hundred eight".