16116979 has 2 divisors, whose sum is σ = 16116980. Its totient is φ = 16116978.

The previous prime is 16116923. The next prime is 16116983. The reversal of 16116979 is 97961161.

It is a strong prime.

It is an emirp because it is prime and its reverse (97961161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16116979 - 2¹³ = 16108787 is a prime.

It is not a weakly prime, because it can be changed into another prime (16116179) 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, 8058489 + 8058490.

It is an arithmetic number, because the mean of its divisors is an integer number (8058490).

Almost surely, 2^16116979 is an apocalyptic number.

16116979 is a deficient number, since it is larger than the sum of its proper divisors (1).

16116979 is an equidigital number, since it uses as much as digits as its factorization.

16116979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 40.

The square root of 16116979 is about 4014.5957455266. The cubic root of 16116979 is about 252.5968206939.

The spelling of 16116979 in words is "sixteen million, one hundred sixteen thousand, nine hundred seventy-nine".