16854095669 has 4 divisors (see below), whose sum is σ = 16873314444. Its totient is φ = 16834876896.

The previous prime is 16854095633. The next prime is 16854095683. The reversal of 16854095669 is 96659045861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8374080100 + 8480015569 = 91510^2 + 92087^2 .

It is a cyclic number.

It is not a de Polignac number, because 16854095669 - 2²⁴ = 16837318453 is a prime.

It is a super-2 number, since 2×16854095669² (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 (16854095969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9608072 + ... + 9609825.

It is an arithmetic number, because the mean of its divisors is an integer number (4218328611).

Almost surely, 2^16854095669 is an apocalyptic number.

It is an amenable number.

16854095669 is a deficient number, since it is larger than the sum of its proper divisors (19218775).

16854095669 is an equidigital number, since it uses as much as digits as its factorization.

16854095669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19218774.

The product of its (nonzero) digits is 13996800, while the sum is 59.

The spelling of 16854095669 in words is "sixteen billion, eight hundred fifty-four million, ninety-five thousand, six hundred sixty-nine".