16422911979 has 8 divisors (see below), whose sum is σ = 21906884160. Its totient is φ = 10943773896.

The previous prime is 16422911969. The next prime is 16422912049. The reversal of 16422911979 is 97911922461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16422911979 - 2⁷ = 16422911851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16422911929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200589 + ... + 1214190.

It is an arithmetic number, because the mean of its divisors is an integer number (2738360520).

Almost surely, 2^16422911979 is an apocalyptic number.

16422911979 is a deficient number, since it is larger than the sum of its proper divisors (5483972181).

16422911979 is a wasteful number, since it uses less digits than its factorization.

16422911979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417049.

The product of its digits is 489888, while the sum is 51.

The spelling of 16422911979 in words is "sixteen billion, four hundred twenty-two million, nine hundred eleven thousand, nine hundred seventy-nine".