17271666853 has 12 divisors (see below), whose sum is σ = 20558778240. Its totient is φ = 14459998392.

The previous prime is 17271666799. The next prime is 17271666889. The reversal of 17271666853 is 35866617271.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-17271666853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17271666853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17271660853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4096533 + ... + 4100746.

It is an arithmetic number, because the mean of its divisors is an integer number (1713231520).

Almost surely, 2^17271666853 is an apocalyptic number.

It is an amenable number.

17271666853 is a deficient number, since it is larger than the sum of its proper divisors (3287111387).

17271666853 is an equidigital number, since it uses as much as digits as its factorization.

17271666853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197336 (or 8197329 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The spelling of 17271666853 in words is "seventeen billion, two hundred seventy-one million, six hundred sixty-six thousand, eight hundred fifty-three".