16109088089 has 4 divisors (see below), whose sum is σ = 17056681524. Its totient is φ = 15161494656.

The previous prime is 16109088077. The next prime is 16109088101. The reversal of 16109088089 is 98088090161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16109088077) and next prime (16109088101).

It can be written as a sum of positive squares in 2 ways, for example, as 5825505625 + 10283582464 = 76325^2 + 101408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16109088089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16109088689) 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, 473796692 + ... + 473796725.

It is an arithmetic number, because the mean of its divisors is an integer number (4264170381).

Almost surely, 2^16109088089 is an apocalyptic number.

It is an amenable number.

16109088089 is a deficient number, since it is larger than the sum of its proper divisors (947593435).

16109088089 is an equidigital number, since it uses as much as digits as its factorization.

16109088089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947593434.

The product of its (nonzero) digits is 248832, while the sum is 50.

The spelling of 16109088089 in words is "sixteen billion, one hundred nine million, eighty-eight thousand, eighty-nine".