16416480109 has 4 divisors (see below), whose sum is σ = 16982565660. Its totient is φ = 15850394560.

The previous prime is 16416480077. The next prime is 16416480139. The reversal of 16416480109 is 90108461461.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8021889225 + 8394590884 = 89565^2 + 91622^2 .

It is a cyclic number.

It is not a de Polignac number, because 16416480109 - 2⁵ = 16416480077 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 (16416480139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283042732 + ... + 283042789.

It is an arithmetic number, because the mean of its divisors is an integer number (4245641415).

Almost surely, 2^16416480109 is an apocalyptic number.

It is an amenable number.

16416480109 is a deficient number, since it is larger than the sum of its proper divisors (566085551).

16416480109 is an equidigital number, since it uses as much as digits as its factorization.

16416480109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566085550.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 16416480109 in words is "sixteen billion, four hundred sixteen million, four hundred eighty thousand, one hundred nine".