671316426176327 has 4 divisors (see below), whose sum is σ = 679814102457120. Its totient is φ = 662818749895536.

The previous prime is 671316426176251. The next prime is 671316426176351. The reversal of 671316426176327 is 723671624613176.

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 671316426176327 - 2¹⁶ = 671316426110791 is a prime.

It is a super-3 number, since 3×671316426176327³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671316426176327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671316426176527) 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, 4248838140278 + ... + 4248838140435.

It is an arithmetic number, because the mean of its divisors is an integer number (169953525614280).

Almost surely, 2^{671316426176327} is an apocalyptic number.

671316426176327 is a deficient number, since it is larger than the sum of its proper divisors (8497676280793).

671316426176327 is an equidigital number, since it uses as much as digits as its factorization.

671316426176327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497676280792.

The product of its digits is 64012032, while the sum is 62.

The spelling of 671316426176327 in words is "six hundred seventy-one trillion, three hundred sixteen billion, four hundred twenty-six million, one hundred seventy-six thousand, three hundred twenty-seven".