16406773 has 2 divisors, whose sum is σ = 16406774. Its totient is φ = 16406772.

The previous prime is 16406711. The next prime is 16406777. The reversal of 16406773 is 37760461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9474084 + 6932689 = 3078^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 16406773 - 2⁹ = 16406261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16406777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8203386 + 8203387.

It is an arithmetic number, because the mean of its divisors is an integer number (8203387).

Almost surely, 2^16406773 is an apocalyptic number.

It is an amenable number.

16406773 is a deficient number, since it is larger than the sum of its proper divisors (1).

16406773 is an equidigital number, since it uses as much as digits as its factorization.

16406773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 16406773 is about 4050.5274965120. The cubic root of 16406773 is about 254.1017892400.

The spelling of 16406773 in words is "sixteen million, four hundred six thousand, seven hundred seventy-three".