266171352871 has 8 divisors (see below), whose sum is σ = 266428959104. Its totient is φ = 265913859960.

The previous prime is 266171352757. The next prime is 266171352883. The reversal of 266171352871 is 178253171662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266171352871 - 2²¹ = 266169255719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266171352571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5113840 + ... + 5165626.

It is an arithmetic number, because the mean of its divisors is an integer number (33303619888).

Almost surely, 2^266171352871 is an apocalyptic number.

266171352871 is a deficient number, since it is larger than the sum of its proper divisors (257606233).

266171352871 is a wasteful number, since it uses less digits than its factorization.

266171352871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56661.

The product of its digits is 846720, while the sum is 49.

The spelling of 266171352871 in words is "two hundred sixty-six billion, one hundred seventy-one million, three hundred fifty-two thousand, eight hundred seventy-one".