16498643711 has 16 divisors (see below), whose sum is σ = 19266940800. Its totient is φ = 13968511200.

The previous prime is 16498643687. The next prime is 16498643717. The reversal of 16498643711 is 11734689461.

It is a happy number.

It is not a de Polignac number, because 16498643711 - 2⁶ = 16498643647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16498643711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16498643717) 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 15 ways as a sum of consecutive naturals, for example, 656660 + ... + 681321.

It is an arithmetic number, because the mean of its divisors is an integer number (1204183800).

Almost surely, 2^16498643711 is an apocalyptic number.

16498643711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16498643711 is a deficient number, since it is larger than the sum of its proper divisors (2768297089).

16498643711 is a wasteful number, since it uses less digits than its factorization.

16498643711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338070.

The product of its digits is 870912, while the sum is 50.

The spelling of 16498643711 in words is "sixteen billion, four hundred ninety-eight million, six hundred forty-three thousand, seven hundred eleven".