671085064166 has 16 divisors (see below), whose sum is σ = 1098614458368. Its totient is φ = 304906648200.

The previous prime is 671085064163. The next prime is 671085064193. The reversal of 671085064166 is 661460580176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671085064163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6548870 + ... + 6650553.

It is an arithmetic number, because the mean of its divisors is an integer number (68663403648).

Almost surely, 2^671085064166 is an apocalyptic number.

671085064166 is a deficient number, since it is larger than the sum of its proper divisors (427529394202).

671085064166 is a wasteful number, since it uses less digits than its factorization.

671085064166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13201747.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 671085064166 in words is "six hundred seventy-one billion, eighty-five million, sixty-four thousand, one hundred sixty-six".