671064027668 has 24 divisors (see below), whose sum is σ = 1175599256832. Its totient is φ = 335178658304.

The previous prime is 671064027637. The next prime is 671064027713. The reversal of 671064027668 is 866720460176.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25042205 + ... + 25068987.

It is an arithmetic number, because the mean of its divisors is an integer number (48983302368).

Almost surely, 2^671064027668 is an apocalyptic number.

It is an amenable number.

671064027668 is a deficient number, since it is larger than the sum of its proper divisors (504535229164).

671064027668 is a wasteful number, since it uses less digits than its factorization.

671064027668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33151 (or 33149 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 671064027668 in words is "six hundred seventy-one billion, sixty-four million, twenty-seven thousand, six hundred sixty-eight".