16165882319 has 4 divisors (see below), whose sum is σ = 16217862960. Its totient is φ = 16113901680.

The previous prime is 16165882283. The next prime is 16165882363. The reversal of 16165882319 is 91328856161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16165882319 is a prime.

It is a super-2 number, since 2×16165882319² (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 (16165882219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25989854 + ... + 25990475.

It is an arithmetic number, because the mean of its divisors is an integer number (4054465740).

Almost surely, 2^16165882319 is an apocalyptic number.

16165882319 is a deficient number, since it is larger than the sum of its proper divisors (51980641).

16165882319 is an equidigital number, since it uses as much as digits as its factorization.

16165882319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51980640.

The product of its digits is 622080, while the sum is 50.

The spelling of 16165882319 in words is "sixteen billion, one hundred sixty-five million, eight hundred eighty-two thousand, three hundred nineteen".