16326414109 has 2 divisors, whose sum is σ = 16326414110. Its totient is φ = 16326414108.

The previous prime is 16326414023. The next prime is 16326414121. The reversal of 16326414109 is 90141462361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10281351609 + 6045062500 = 101397^2 + 77750^2 .

It is a cyclic number.

It is not a de Polignac number, because 16326414109 - 2¹¹ = 16326412061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16326414179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8163207054 + 8163207055.

It is an arithmetic number, because the mean of its divisors is an integer number (8163207055).

Almost surely, 2^16326414109 is an apocalyptic number.

It is an amenable number.

16326414109 is a deficient number, since it is larger than the sum of its proper divisors (1).

16326414109 is an equidigital number, since it uses as much as digits as its factorization.

16326414109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 16326414109 in words is "sixteen billion, three hundred twenty-six million, four hundred fourteen thousand, one hundred nine".