671016013872 has 40 divisors (see below), whose sum is σ = 1735250770176. Its totient is φ = 223440684096.

The previous prime is 671016013867. The next prime is 671016013919. The reversal of 671016013872 is 278310610176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7181868 + ... + 7274699.

Almost surely, 2^671016013872 is an apocalyptic number.

It is an amenable number.

671016013872 is an abundant number, since it is smaller than the sum of its proper divisors (1064234756304).

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

671016013872 is a wasteful number, since it uses less digits than its factorization.

671016013872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14457545 (or 14457539 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 671016013872 in words is "six hundred seventy-one billion, sixteen million, thirteen thousand, eight hundred seventy-two".