16816827259 has 2 divisors, whose sum is σ = 16816827260. Its totient is φ = 16816827258.

The previous prime is 16816827239. The next prime is 16816827343. The reversal of 16816827259 is 95272861861.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16816827259 - 2¹¹ = 16816825211 is a prime.

It is not a weakly prime, because it can be changed into another prime (16816827239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8408413629 + 8408413630.

It is an arithmetic number, because the mean of its divisors is an integer number (8408413630).

Almost surely, 2^16816827259 is an apocalyptic number.

16816827259 is a deficient number, since it is larger than the sum of its proper divisors (1).

16816827259 is an equidigital number, since it uses as much as digits as its factorization.

16816827259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 55.

The spelling of 16816827259 in words is "sixteen billion, eight hundred sixteen million, eight hundred twenty-seven thousand, two hundred fifty-nine".