16005345719 has 8 divisors (see below), whose sum is σ = 17720980608. Its totient is φ = 14333144760.

The previous prime is 16005345701. The next prime is 16005345779. The reversal of 16005345719 is 91754350061.

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

It is a de Polignac number, because none of the positive numbers 2^k-16005345719 is a prime.

It is a super-2 number, since 2×16005345719² (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 (16005345779) 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, 10857707 + ... + 10859180.

It is an arithmetic number, because the mean of its divisors is an integer number (2215122576).

Almost surely, 2^16005345719 is an apocalyptic number.

16005345719 is a deficient number, since it is larger than the sum of its proper divisors (1715634889).

16005345719 is a wasteful number, since it uses less digits than its factorization.

16005345719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21716965.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 16005345719 in words is "sixteen billion, five million, three hundred forty-five thousand, seven hundred nineteen".