818814065 has 16 divisors (see below), whose sum is σ = 1002343680. Its totient is φ = 641996160.

The previous prime is 818814023. The next prime is 818814071. The reversal of 818814065 is 560418818.

It is not a de Polignac number, because 818814065 - 2⁶ = 818814001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46550 + ... + 61680.

It is an arithmetic number, because the mean of its divisors is an integer number (62646480).

Almost surely, 2^818814065 is an apocalyptic number.

It is an amenable number.

818814065 is a deficient number, since it is larger than the sum of its proper divisors (183529615).

818814065 is a wasteful number, since it uses less digits than its factorization.

818814065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15352.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 818814065 is about 28614.9273107586. The cubic root of 818814065 is about 935.5387155451.

The spelling of 818814065 in words is "eight hundred eighteen million, eight hundred fourteen thousand, sixty-five".