16328617 has 2 divisors, whose sum is σ = 16328618. Its totient is φ = 16328616.

The previous prime is 16328573. The next prime is 16328633. The reversal of 16328617 is 71682361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12809241 + 3519376 = 3579^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 16328617 - 2¹⁹ = 15804329 is a prime.

It is a super-3 number, since 3×16328617³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16328677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8164308 + 8164309.

It is an arithmetic number, because the mean of its divisors is an integer number (8164309).

Almost surely, 2^16328617 is an apocalyptic number.

It is an amenable number.

16328617 is a deficient number, since it is larger than the sum of its proper divisors (1).

16328617 is an equidigital number, since it uses as much as digits as its factorization.

16328617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 16328617 is about 4040.8683472739. The cubic root of 16328617 is about 253.6976635007.

The spelling of 16328617 in words is "sixteen million, three hundred twenty-eight thousand, six hundred seventeen".