16628827 has 2 divisors, whose sum is σ = 16628828. Its totient is φ = 16628826.

The previous prime is 16628813. The next prime is 16628863. The reversal of 16628827 is 72882661.

It is a weak prime.

It is an emirp because it is prime and its reverse (72882661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16628827 - 2¹⁵ = 16596059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16628827.

It is not a weakly prime, because it can be changed into another prime (16628327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8314413 + 8314414.

It is an arithmetic number, because the mean of its divisors is an integer number (8314414).

Almost surely, 2^16628827 is an apocalyptic number.

16628827 is a deficient number, since it is larger than the sum of its proper divisors (1).

16628827 is an equidigital number, since it uses as much as digits as its factorization.

16628827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 16628827 is about 4077.8458774211. The cubic root of 16628827 is about 255.2430183588.

The spelling of 16628827 in words is "sixteen million, six hundred twenty-eight thousand, eight hundred twenty-seven".