671082716185 has 64 divisors (see below), whose sum is σ = 953280041472. Its totient is φ = 443997904896.

The previous prime is 671082716179. The next prime is 671082716257. The reversal of 671082716185 is 581617280176.

It is not a de Polignac number, because 671082716185 - 2²⁹ = 670545845273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40869097 + ... + 40885513.

It is an arithmetic number, because the mean of its divisors is an integer number (14895000648).

Almost surely, 2^671082716185 is an apocalyptic number.

It is an amenable number.

671082716185 is a deficient number, since it is larger than the sum of its proper divisors (282197325287).

671082716185 is a wasteful number, since it uses less digits than its factorization.

671082716185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16802.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 671082716185 in words is "six hundred seventy-one billion, eighty-two million, seven hundred sixteen thousand, one hundred eighty-five".