16651305119 has 4 divisors (see below), whose sum is σ = 16652686296. Its totient is φ = 16649923944.

The previous prime is 16651305091. The next prime is 16651305127. The reversal of 16651305119 is 91150315661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16651305119 - 2²⁰ = 16650256543 is a prime.

It is a super-2 number, since 2×16651305119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16651305199) 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 in 3 ways as a sum of consecutive naturals, for example, 672344 + ... + 696669.

It is an arithmetic number, because the mean of its divisors is an integer number (4163171574).

Almost surely, 2^16651305119 is an apocalyptic number.

16651305119 is a deficient number, since it is larger than the sum of its proper divisors (1381177).

16651305119 is a wasteful number, since it uses less digits than its factorization.

16651305119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381176.

The product of its (nonzero) digits is 24300, while the sum is 38.

The spelling of 16651305119 in words is "sixteen billion, six hundred fifty-one million, three hundred five thousand, one hundred nineteen".