671066107670 has 64 divisors (see below), whose sum is σ = 1442742174720. Its totient is φ = 219733734528.

The previous prime is 671066107667. The next prime is 671066107703. The reversal of 671066107670 is 76701660176.

It is a happy number.

671066107670 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711116 + ... + 1359344.

It is an arithmetic number, because the mean of its divisors is an integer number (22542846480).

Almost surely, 2^671066107670 is an apocalyptic number.

671066107670 is an abundant number, since it is smaller than the sum of its proper divisors (771676067050).

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

671066107670 is a wasteful number, since it uses less digits than its factorization.

671066107670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648909.

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 671066107670 in words is "six hundred seventy-one billion, sixty-six million, one hundred seven thousand, six hundred seventy".