1116216138 has 8 divisors (see below), whose sum is σ = 2232432288. Its totient is φ = 372072044.

The previous prime is 1116216133. The next prime is 1116216139. The reversal of 1116216138 is 8316126111.

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

1116216138 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1116216133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93018006 + ... + 93018017.

It is an arithmetic number, because the mean of its divisors is an integer number (279054036).

Almost surely, 2^1116216138 is an apocalyptic number.

1116216138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1116216138 is a wasteful number, since it uses less digits than its factorization.

1116216138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186036028.

The product of its digits is 1728, while the sum is 30.

The square root of 1116216138 is about 33409.8209812624. The cubic root of 1116216138 is about 1037.3279960271.

The spelling of 1116216138 in words is "one billion, one hundred sixteen million, two hundred sixteen thousand, one hundred thirty-eight".