16606755329 has 2 divisors, whose sum is σ = 16606755330. Its totient is φ = 16606755328.

The previous prime is 16606755323. The next prime is 16606755391. The reversal of 16606755329 is 92355760661.

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., 15338327104 + 1268428225 = 123848^2 + 35615^2 .

It is an emirp because it is prime and its reverse (92355760661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16606755329 - 2⁴ = 16606755313 is a prime.

It is not a weakly prime, because it can be changed into another prime (16606755323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8303377664 + 8303377665.

It is an arithmetic number, because the mean of its divisors is an integer number (8303377665).

Almost surely, 2^16606755329 is an apocalyptic number.

It is an amenable number.

16606755329 is a deficient number, since it is larger than the sum of its proper divisors (1).

16606755329 is an equidigital number, since it uses as much as digits as its factorization.

16606755329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 16606755329 in words is "sixteen billion, six hundred six million, seven hundred fifty-five thousand, three hundred twenty-nine".