172662266271 has 8 divisors (see below), whose sum is σ = 251145114624. Its totient is φ = 104643797720.

The previous prime is 172662266261. The next prime is 172662266291.

172662266271 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 172662266271 - 2¹⁰ = 172662265247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172662266271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172662266201) 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, 2616094911 + ... + 2616094976.

It is an arithmetic number, because the mean of its divisors is an integer number (31393139328).

Almost surely, 2^172662266271 is an apocalyptic number.

172662266271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

172662266271 is a deficient number, since it is larger than the sum of its proper divisors (78482848353).

172662266271 is a wasteful number, since it uses less digits than its factorization.

172662266271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232189901.

The product of its digits is 1016064, while the sum is 48.

The spelling of 172662266271 in words is "one hundred seventy-two billion, six hundred sixty-two million, two hundred sixty-six thousand, two hundred seventy-one".