16109350243 has 4 divisors (see below), whose sum is σ = 18410686000. Its totient is φ = 13808014488.

The previous prime is 16109350207. The next prime is 16109350307. The reversal of 16109350243 is 34205390161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34205390161 = 61 ⋅560744101.

It is a cyclic number.

It is not a de Polignac number, because 16109350243 - 2¹⁷ = 16109219171 is a prime.

It is a super-2 number, since 2×16109350243² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16109350199 and 16109350208.

It is not an unprimeable number, because it can be changed into a prime (16109350643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150667868 + ... + 1150667881.

It is an arithmetic number, because the mean of its divisors is an integer number (4602671500).

Almost surely, 2^16109350243 is an apocalyptic number.

16109350243 is a deficient number, since it is larger than the sum of its proper divisors (2301335757).

16109350243 is an equidigital number, since it uses as much as digits as its factorization.

16109350243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301335756.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 16109350243 in words is "sixteen billion, one hundred nine million, three hundred fifty thousand, two hundred forty-three".