16101979 has 2 divisors, whose sum is σ = 16101980. Its totient is φ = 16101978.

The previous prime is 16101977. The next prime is 16102003. The reversal of 16101979 is 97910161.

It is a weak prime.

It is an emirp because it is prime and its reverse (97910161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16101979 - 2¹ = 16101977 is a prime.

Together with 16101977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16101977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8050989 + 8050990.

It is an arithmetic number, because the mean of its divisors is an integer number (8050990).

Almost surely, 2^16101979 is an apocalyptic number.

16101979 is a deficient number, since it is larger than the sum of its proper divisors (1).

16101979 is an equidigital number, since it uses as much as digits as its factorization.

16101979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 16101979 is about 4012.7271275281. The cubic root of 16101979 is about 252.5184327948.

The spelling of 16101979 in words is "sixteen million, one hundred one thousand, nine hundred seventy-nine".