16919867743 has 4 divisors (see below), whose sum is σ = 17087391288. Its totient is φ = 16752344200.

The previous prime is 16919867737. The next prime is 16919867753. The reversal of 16919867743 is 34776891961.

16919867743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16919867743 - 2²⁹ = 16382996831 is a prime.

It is a super-2 number, since 2×16919867743² (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 (16919867753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83761621 + ... + 83761822.

It is an arithmetic number, because the mean of its divisors is an integer number (4271847822).

Almost surely, 2^16919867743 is an apocalyptic number.

16919867743 is a deficient number, since it is larger than the sum of its proper divisors (167523545).

16919867743 is a wasteful number, since it uses less digits than its factorization.

16919867743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167523544.

The product of its digits is 13716864, while the sum is 61.

The spelling of 16919867743 in words is "sixteen billion, nine hundred nineteen million, eight hundred sixty-seven thousand, seven hundred forty-three".