16875749871 has 10 divisors (see below), whose sum is σ = 25209453632. Its totient is φ = 11250499860.

The previous prime is 16875749809. The next prime is 16875749887. The reversal of 16875749871 is 17894757861.

16875749871 is a `hidden beast` number, since 1 + 6 + 8 + 75 + 7 + 498 + 71 = 666.

It is not a de Polignac number, because 16875749871 - 2⁷ = 16875749743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16875749799 and 16875749808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16875741871) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 104171215 + ... + 104171376.

Almost surely, 2^16875749871 is an apocalyptic number.

16875749871 is a deficient number, since it is larger than the sum of its proper divisors (8333703761).

16875749871 is an equidigital number, since it uses as much as digits as its factorization.

16875749871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208342603 (or 208342594 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 63.

The spelling of 16875749871 in words is "sixteen billion, eight hundred seventy-five million, seven hundred forty-nine thousand, eight hundred seventy-one".