16406017 has 2 divisors, whose sum is σ = 16406018. Its totient is φ = 16406016.

The previous prime is 16405997. The next prime is 16406023. The reversal of 16406017 is 71060461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 5588496 = 3289^2 + 2364^2 .

It is a cyclic number.

It is not a de Polignac number, because 16406017 - 2¹⁹ = 15881729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16405982 and 16406000.

It is not a weakly prime, because it can be changed into another prime (16406057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8203008 + 8203009.

It is an arithmetic number, because the mean of its divisors is an integer number (8203009).

Almost surely, 2^16406017 is an apocalyptic number.

It is an amenable number.

16406017 is a deficient number, since it is larger than the sum of its proper divisors (1).

16406017 is an equidigital number, since it uses as much as digits as its factorization.

16406017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 16406017 is about 4050.4341742584. The cubic root of 16406017 is about 254.0978863010.

Adding to 16406017 its reverse (71060461), we get a palindrome (87466478).

The spelling of 16406017 in words is "sixteen million, four hundred six thousand, seventeen".