671005141880 has 16 divisors (see below), whose sum is σ = 1509761569320. Its totient is φ = 268402056736.

The previous prime is 671005141879. The next prime is 671005141903. The reversal of 671005141880 is 88141500176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8387564234 + ... + 8387564313.

Almost surely, 2^671005141880 is an apocalyptic number.

It is an amenable number.

671005141880 is an abundant number, since it is smaller than the sum of its proper divisors (838756427440).

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

671005141880 is a wasteful number, since it uses less digits than its factorization.

671005141880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16775128558 (or 16775128554 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 671005141880 in words is "six hundred seventy-one billion, five million, one hundred forty-one thousand, eight hundred eighty".