16514968719 has 8 divisors (see below), whose sum is σ = 22035373360. Its totient is φ = 11002271616.

The previous prime is 16514968667. The next prime is 16514968721. The reversal of 16514968719 is 91786941561.

It is a happy number.

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

It is not a de Polignac number, because 16514968719 - 2¹² = 16514964623 is a prime.

It is a super-2 number, since 2×16514968719² (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 (16514968319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921882 + ... + 1930455.

It is an arithmetic number, because the mean of its divisors is an integer number (2754421670).

Almost surely, 2^16514968719 is an apocalyptic number.

16514968719 is a deficient number, since it is larger than the sum of its proper divisors (5520404641).

16514968719 is a wasteful number, since it uses less digits than its factorization.

16514968719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853769.

The product of its digits is 3265920, while the sum is 57.

The spelling of 16514968719 in words is "sixteen billion, five hundred fourteen million, nine hundred sixty-eight thousand, seven hundred nineteen".