16026459217 has 2 divisors, whose sum is σ = 16026459218. Its totient is φ = 16026459216.

The previous prime is 16026459193. The next prime is 16026459247. The reversal of 16026459217 is 71295462061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10052869696 + 5973589521 = 100264^2 + 77289^2 .

It is a cyclic number.

It is not a de Polignac number, because 16026459217 - 2¹¹ = 16026457169 is a prime.

It is not a weakly prime, because it can be changed into another prime (16026459247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8013229608 + 8013229609.

It is an arithmetic number, because the mean of its divisors is an integer number (8013229609).

Almost surely, 2^16026459217 is an apocalyptic number.

It is an amenable number.

16026459217 is a deficient number, since it is larger than the sum of its proper divisors (1).

16026459217 is an equidigital number, since it uses as much as digits as its factorization.

16026459217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 16026459217 in words is "sixteen billion, twenty-six million, four hundred fifty-nine thousand, two hundred seventeen".