172326748413601 has 4 divisors (see below), whose sum is σ = 172327681945732. Its totient is φ = 172325814881472.

The previous prime is 172326748413593. The next prime is 172326748413641. The reversal of 172326748413601 is 106314847623271.

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

It can be written as a sum of positive squares in 2 ways, for example, as 155341923213376 + 16984825200225 = 12463624^2 + 4121265^2 .

It is a cyclic number.

It is not a de Polignac number, because 172326748413601 - 2³ = 172326748413593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172326748413641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466489116 + ... + 466858381.

It is an arithmetic number, because the mean of its divisors is an integer number (43081920486433).

Almost surely, 2^{172326748413601} is an apocalyptic number.

It is an amenable number.

172326748413601 is a deficient number, since it is larger than the sum of its proper divisors (933532131).

172326748413601 is an equidigital number, since it uses as much as digits as its factorization.

172326748413601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933532130.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 172326748413601 in words is "one hundred seventy-two trillion, three hundred twenty-six billion, seven hundred forty-eight million, four hundred thirteen thousand, six hundred one".