16328243 has 2 divisors, whose sum is σ = 16328244. Its totient is φ = 16328242.

The previous prime is 16328231. The next prime is 16328267. The reversal of 16328243 is 34282361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16328243 - 2²² = 12133939 is a prime.

It is a super-2 number, since 2×16328243² = 533223038934098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16328443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8164121 + 8164122.

It is an arithmetic number, because the mean of its divisors is an integer number (8164122).

Almost surely, 2^16328243 is an apocalyptic number.

16328243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16328243 is an equidigital number, since it uses as much as digits as its factorization.

16328243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 16328243 is about 4040.8220698269. The cubic root of 16328243 is about 253.6957265403.

The spelling of 16328243 in words is "sixteen million, three hundred twenty-eight thousand, two hundred forty-three".