2116328389 has 8 divisors (see below), whose sum is σ = 2502063360. Its totient is φ = 1751444016.

The previous prime is 2116328387. The next prime is 2116328399. The reversal of 2116328389 is 9838236112.

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

It is not a de Polignac number, because 2116328389 - 2¹ = 2116328387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116328387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5212429 + ... + 5212834.

It is an arithmetic number, because the mean of its divisors is an integer number (312757920).

Almost surely, 2^2116328389 is an apocalyptic number.

2116328389 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2116328389 is a deficient number, since it is larger than the sum of its proper divisors (385734971).

2116328389 is a wasteful number, since it uses less digits than its factorization.

2116328389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10425299.

The product of its digits is 124416, while the sum is 43.

The square root of 2116328389 is about 46003.5693071744. The cubic root of 2116328389 is about 1283.8896147458.

The spelling of 2116328389 in words is "two billion, one hundred sixteen million, three hundred twenty-eight thousand, three hundred eighty-nine".