16138667 has 2 divisors, whose sum is σ = 16138668. Its totient is φ = 16138666.

The previous prime is 16138613. The next prime is 16138669. The reversal of 16138667 is 76683161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16138667 - 2¹⁶ = 16073131 is a prime.

Together with 16138669, it forms a pair of twin primes.

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 16138667.

It is not a weakly prime, because it can be changed into another prime (16138669) 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, 8069333 + 8069334.

It is an arithmetic number, because the mean of its divisors is an integer number (8069334).

Almost surely, 2^16138667 is an apocalyptic number.

16138667 is a deficient number, since it is larger than the sum of its proper divisors (1).

16138667 is an equidigital number, since it uses as much as digits as its factorization.

16138667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 16138667 is about 4017.2959811296. The cubic root of 16138667 is about 252.7100731912.

The spelling of 16138667 in words is "sixteen million, one hundred thirty-eight thousand, six hundred sixty-seven".