16166879 has 2 divisors, whose sum is σ = 16166880. Its totient is φ = 16166878.

The previous prime is 16166827. The next prime is 16166897. The reversal of 16166879 is 97866161.

Together with next prime (16166897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16166879 is a prime.

It is a super-2 number, since 2×16166879² = 522735953201282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16166279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8083439 + 8083440.

It is an arithmetic number, because the mean of its divisors is an integer number (8083440).

Almost surely, 2^16166879 is an apocalyptic number.

16166879 is a deficient number, since it is larger than the sum of its proper divisors (1).

16166879 is an equidigital number, since it uses as much as digits as its factorization.

16166879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 16166879 is about 4020.8057650178. The cubic root of 16166879 is about 252.8572416094.

The spelling of 16166879 in words is "sixteen million, one hundred sixty-six thousand, eight hundred seventy-nine".