671481606184176 has 80 divisors (see below), whose sum is σ = 1751985669597696. Its totient is φ = 221592936799488.

The previous prime is 671481606184171. The next prime is 671481606184189.

671481606184176 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671481606184171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831675 + ... + 36655898.

Almost surely, 2^{671481606184176} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671481606184176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875992834798848).

671481606184176 is an abundant number, since it is smaller than the sum of its proper divisors (1080504063413520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671481606184176 is a wasteful number, since it uses less digits than its factorization.

671481606184176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37491310 (or 37491304 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 671481606184176 in words is "six hundred seventy-one trillion, four hundred eighty-one billion, six hundred six million, one hundred eighty-four thousand, one hundred seventy-six".