818160213 has 16 divisors (see below), whose sum is σ = 1185578240. Its totient is φ = 498861504.

The previous prime is 818160191. The next prime is 818160223. The reversal of 818160213 is 312061818.

It is not a de Polignac number, because 818160213 - 2⁶ = 818160149 is a prime.

It is a super-2 number, since 2×818160213² = 1338772268272410738, which contains 22 as substring.

It is the 28604-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818160223) by changing a digit.

It is a nontrivial repunit in base 28603.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91981 + ... + 100482.

It is an arithmetic number, because the mean of its divisors is an integer number (74098640).

Almost surely, 2^818160213 is an apocalyptic number.

It is an amenable number.

818160213 is a deficient number, since it is larger than the sum of its proper divisors (367418027).

818160213 is a wasteful number, since it uses less digits than its factorization.

818160213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192588.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 818160213 is about 28603.5000131103. The cubic root of 818160213 is about 935.2896289775.

The spelling of 818160213 in words is "eight hundred eighteen million, one hundred sixty thousand, two hundred thirteen".