2116216173 has 8 divisors (see below), whose sum is σ = 2823991488. Its totient is φ = 1409625824.

The previous prime is 2116216169. The next prime is 2116216187. The reversal of 2116216173 is 3716126112.

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

It is a cyclic number.

It is not a de Polignac number, because 2116216173 - 2² = 2116216169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2116216173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116216153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292065 + ... + 299222.

It is an arithmetic number, because the mean of its divisors is an integer number (352998936).

Almost surely, 2^2116216173 is an apocalyptic number.

It is an amenable number.

2116216173 is a deficient number, since it is larger than the sum of its proper divisors (707775315).

2116216173 is a wasteful number, since it uses less digits than its factorization.

2116216173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592483.

The product of its digits is 3024, while the sum is 30.

The square root of 2116216173 is about 46002.3496465126. The cubic root of 2116216173 is about 1283.8669220635.

The spelling of 2116216173 in words is "two billion, one hundred sixteen million, two hundred sixteen thousand, one hundred seventy-three".