685532171336 has 32 divisors (see below), whose sum is σ = 1289172689280. Its totient is φ = 341753544000.

The previous prime is 685532171329. The next prime is 685532171377. The reversal of 685532171336 is 633171235586.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7420871 + ... + 7512681.

It is an arithmetic number, because the mean of its divisors is an integer number (40286646540).

Almost surely, 2^685532171336 is an apocalyptic number.

It is an amenable number.

685532171336 is a deficient number, since it is larger than the sum of its proper divisors (603640517944).

685532171336 is a wasteful number, since it uses less digits than its factorization.

685532171336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94565 (or 94561 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 50.

The spelling of 685532171336 in words is "six hundred eighty-five billion, five hundred thirty-two million, one hundred seventy-one thousand, three hundred thirty-six".