16406011717 has 2 divisors, whose sum is σ = 16406011718. Its totient is φ = 16406011716.

The previous prime is 16406011693. The next prime is 16406011873. The reversal of 16406011717 is 71711060461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16395778116 + 10233601 = 128046^2 + 3199^2 .

It is a cyclic number.

It is not a de Polignac number, because 16406011717 - 2¹⁵ = 16405978949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16406012717) 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 as a sum of consecutive naturals, namely, 8203005858 + 8203005859.

It is an arithmetic number, because the mean of its divisors is an integer number (8203005859).

Almost surely, 2^16406011717 is an apocalyptic number.

It is an amenable number.

16406011717 is a deficient number, since it is larger than the sum of its proper divisors (1).

16406011717 is an equidigital number, since it uses as much as digits as its factorization.

16406011717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 16406011717 in words is "sixteen billion, four hundred six million, eleven thousand, seven hundred seventeen".