170227427321 has 6 divisors (see below), whose sum is σ = 198019660410. Its totient is φ = 145909223376.

The previous prime is 170227427317. The next prime is 170227427327. The reversal of 170227427321 is 123724722071.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 138681760000 + 31545667321 = 372400^2 + 177611^2 .

It is not a de Polignac number, because 170227427321 - 2² = 170227427317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170227427327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1737014516 + ... + 1737014613.

It is an arithmetic number, because the mean of its divisors is an integer number (33003276735).

Almost surely, 2^170227427321 is an apocalyptic number.

It is an amenable number.

170227427321 is a deficient number, since it is larger than the sum of its proper divisors (27792233089).

170227427321 is an equidigital number, since it uses as much as digits as its factorization.

170227427321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474029143 (or 3474029136 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 170227427321 in words is "one hundred seventy billion, two hundred twenty-seven million, four hundred twenty-seven thousand, three hundred twenty-one".