172200646002271 has 4 divisors (see below), whose sum is σ = 172202314118392. Its totient is φ = 172198977886152.

The previous prime is 172200646002269. The next prime is 172200646002293.

172200646002271 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 172200646002271 - 2¹ = 172200646002269 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 (172200646002241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833903205 + ... + 834109678.

It is an arithmetic number, because the mean of its divisors is an integer number (43050578529598).

Almost surely, 2^{172200646002271} is an apocalyptic number.

172200646002271 is a deficient number, since it is larger than the sum of its proper divisors (1668116121).

172200646002271 is a wasteful number, since it uses less digits than its factorization.

172200646002271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668116120.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 172200646002271 in words is "one hundred seventy-two trillion, two hundred billion, six hundred forty-six million, two thousand, two hundred seventy-one".