2606853218 has 18 divisors (see below), whose sum is σ = 3969088641. Its totient is φ = 1284111504.

The previous prime is 2606853217. The next prime is 2606853251. The reversal of 2606853218 is 8123586062.

It can be written as a sum of positive squares in 2 ways, for example, as 2194641409 + 412211809 = 46847^2 + 20303^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=36103.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2606853211) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5704046 + ... + 5704502.

Almost surely, 2^2606853218 is an apocalyptic number.

2606853218 is a deficient number, since it is larger than the sum of its proper divisors (1362235423).

2606853218 is an frugal number, since it uses more digits than its factorization.

2606853218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2606853218 is about 51057.3522423559. The cubic root of 2606853218 is about 1376.2759669500.

The spelling of 2606853218 in words is "two billion, six hundred six million, eight hundred fifty-three thousand, two hundred eighteen".