16969385871 has 10 divisors (see below), whose sum is σ = 25349329632. Its totient is φ = 11312923860.

The previous prime is 16969385803. The next prime is 16969385879. The reversal of 16969385871 is 17858396961.

16969385871 is a `hidden beast` number, since 16 + 9 + 6 + 9 + 38 + 587 + 1 = 666.

It is not a de Polignac number, because 16969385871 - 2¹⁸ = 16969123727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16969385799 and 16969385808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16969385879) 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, 104749215 + ... + 104749376.

Almost surely, 2^16969385871 is an apocalyptic number.

16969385871 is a deficient number, since it is larger than the sum of its proper divisors (8379943761).

16969385871 is an equidigital number, since it uses as much as digits as its factorization.

16969385871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209498603 (or 209498594 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The spelling of 16969385871 in words is "sixteen billion, nine hundred sixty-nine million, three hundred eighty-five thousand, eight hundred seventy-one".