16825027217 has 2 divisors, whose sum is σ = 16825027218. Its totient is φ = 16825027216.

The previous prime is 16825027201. The next prime is 16825027223. The reversal of 16825027217 is 71272052861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13567357441 + 3257669776 = 116479^2 + 57076^2 .

It is a cyclic number.

It is not a de Polignac number, because 16825027217 - 2⁴ = 16825027201 is a prime.

It is not a weakly prime, because it can be changed into another prime (16825027267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8412513608 + 8412513609.

It is an arithmetic number, because the mean of its divisors is an integer number (8412513609).

Almost surely, 2^16825027217 is an apocalyptic number.

It is an amenable number.

16825027217 is a deficient number, since it is larger than the sum of its proper divisors (1).

16825027217 is an equidigital number, since it uses as much as digits as its factorization.

16825027217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 16825027217 in words is "sixteen billion, eight hundred twenty-five million, twenty-seven thousand, two hundred seventeen".