172026660275 has 12 divisors (see below), whose sum is σ = 213512636400. Its totient is φ = 137492568480.

The previous prime is 172026660263. The next prime is 172026660283. The reversal of 172026660275 is 572066620271.

It is not a de Polignac number, because 172026660275 - 2⁴ = 172026660259 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3191735 + ... + 3245184.

It is an arithmetic number, because the mean of its divisors is an integer number (17792719700).

Almost surely, 2^172026660275 is an apocalyptic number.

172026660275 is a deficient number, since it is larger than the sum of its proper divisors (41485976125).

172026660275 is a wasteful number, since it uses less digits than its factorization.

172026660275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437998 (or 6437993 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 172026660275 in words is "one hundred seventy-two billion, twenty-six million, six hundred sixty thousand, two hundred seventy-five".