16608377 has 2 divisors, whose sum is σ = 16608378. Its totient is φ = 16608376.

The previous prime is 16608359. The next prime is 16608457. The reversal of 16608377 is 77380661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15649936 + 958441 = 3956^2 + 979^2 .

It is an emirp because it is prime and its reverse (77380661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16608377 - 2⁶ = 16608313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16608377.

It is not a weakly prime, because it can be changed into another prime (16608307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8304188 + 8304189.

It is an arithmetic number, because the mean of its divisors is an integer number (8304189).

Almost surely, 2^16608377 is an apocalyptic number.

It is an amenable number.

16608377 is a deficient number, since it is larger than the sum of its proper divisors (1).

16608377 is an equidigital number, since it uses as much as digits as its factorization.

16608377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 16608377 is about 4075.3376547226. The cubic root of 16608377 is about 255.1383434888.

The spelling of 16608377 in words is "sixteen million, six hundred eight thousand, three hundred seventy-seven".