671064376272 has 20 divisors (see below), whose sum is σ = 1733582972160. Its totient is φ = 223688125408.

The previous prime is 671064376267. The next prime is 671064376273. The reversal of 671064376272 is 272673460176.

671064376272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671064376273) 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, 6990253872 + ... + 6990253967.

It is an arithmetic number, because the mean of its divisors is an integer number (86679148608).

Almost surely, 2^671064376272 is an apocalyptic number.

It is an amenable number.

671064376272 is an abundant number, since it is smaller than the sum of its proper divisors (1062518595888).

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

671064376272 is a wasteful number, since it uses less digits than its factorization.

671064376272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13980507850 (or 13980507844 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 671064376272 in words is "six hundred seventy-one billion, sixty-four million, three hundred seventy-six thousand, two hundred seventy-two".