818670161 has 8 divisors (see below), whose sum is σ = 827047584. Its totient is φ = 810306400.

The previous prime is 818670143. The next prime is 818670169. The reversal of 818670161 is 161076818.

818670161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 818670161 - 2¹⁴ = 818653777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818670169) 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, 152621 + ... + 157893.

It is an arithmetic number, because the mean of its divisors is an integer number (103380948).

Almost surely, 2^818670161 is an apocalyptic number.

It is an amenable number.

818670161 is a deficient number, since it is larger than the sum of its proper divisors (8377423).

818670161 is a wasteful number, since it uses less digits than its factorization.

818670161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 818670161 is about 28612.4127084732. The cubic root of 818670161 is about 935.4839063372.

The spelling of 818670161 in words is "eight hundred eighteen million, six hundred seventy thousand, one hundred sixty-one".