675220066271 has 4 divisors (see below), whose sum is σ = 675229568712. Its totient is φ = 675210563832.

The previous prime is 675220066247. The next prime is 675220066307. The reversal of 675220066271 is 172660022576.

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 675220066271 - 2⁶ = 675220066207 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 (675220066571) 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, 4643825 + ... + 4787018.

It is an arithmetic number, because the mean of its divisors is an integer number (168807392178).

Almost surely, 2^675220066271 is an apocalyptic number.

675220066271 is a deficient number, since it is larger than the sum of its proper divisors (9502441).

675220066271 is an equidigital number, since it uses as much as digits as its factorization.

675220066271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9502440.

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

The spelling of 675220066271 in words is "six hundred seventy-five billion, two hundred twenty million, sixty-six thousand, two hundred seventy-one".