172265457271 has 8 divisors (see below), whose sum is σ = 174362678784. Its totient is φ = 170168753400.

The previous prime is 172265457239. The next prime is 172265457277. The reversal of 172265457271 is 172754562271.

It is a happy number.

172265457271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 172265457271 - 2⁵ = 172265457239 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 (172265457277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562596 + ... + 813046.

It is an arithmetic number, because the mean of its divisors is an integer number (21795334848).

Almost surely, 2^172265457271 is an apocalyptic number.

172265457271 is a deficient number, since it is larger than the sum of its proper divisors (2097221513).

172265457271 is an equidigital number, since it uses as much as digits as its factorization.

172265457271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258821.

The product of its digits is 1646400, while the sum is 49.

The spelling of 172265457271 in words is "one hundred seventy-two billion, two hundred sixty-five million, four hundred fifty-seven thousand, two hundred seventy-one".