8160685 has 16 divisors (see below), whose sum is σ = 10612224. Its totient is φ = 5988672.

The previous prime is 8160673. The next prime is 8160727. The reversal of 8160685 is 5860618.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8160685 - 2¹⁹ = 7636397 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8160685.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14214 + ... + 14776.

It is an arithmetic number, because the mean of its divisors is an integer number (663264).

Almost surely, 2^8160685 is an apocalyptic number.

It is an amenable number.

8160685 is a deficient number, since it is larger than the sum of its proper divisors (2451539).

8160685 is a wasteful number, since it uses less digits than its factorization.

8160685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8160685 is about 2856.6912678832. The cubic root of 8160685 is about 201.3301752230.

The spelling of 8160685 in words is "eight million, one hundred sixty thousand, six hundred eighty-five".