16644107 has 2 divisors, whose sum is σ = 16644108. Its totient is φ = 16644106.

The previous prime is 16644097. The next prime is 16644113. The reversal of 16644107 is 70144661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16644107 - 2²² = 12449803 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16644107.

It is not a weakly prime, because it can be changed into another prime (16644137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8322053 + 8322054.

It is an arithmetic number, because the mean of its divisors is an integer number (8322054).

Almost surely, 2^16644107 is an apocalyptic number.

16644107 is a deficient number, since it is larger than the sum of its proper divisors (1).

16644107 is an equidigital number, since it uses as much as digits as its factorization.

16644107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 16644107 is about 4079.7189854204. The cubic root of 16644107 is about 255.3211741891.

Adding to 16644107 its reverse (70144661), we get a palindrome (86788768).

The spelling of 16644107 in words is "sixteen million, six hundred forty-four thousand, one hundred seven".