2866216340648 has 16 divisors (see below), whose sum is σ = 5519403088980. Its totient is φ = 1394375516928.

The previous prime is 2866216340591. The next prime is 2866216340653. The reversal of 2866216340648 is 8460436126682.

It can be written as a sum of positive squares in 2 ways, for example, as 2152728659524 + 713487681124 = 1467218^2 + 844682^2 .

It is a super-3 number, since 3×2866216340648³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2866216340593 and 2866216340602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4841581361 + ... + 4841581952.

Almost surely, 2^{2866216340648} is an apocalyptic number.

It is an amenable number.

2866216340648 is a deficient number, since it is larger than the sum of its proper divisors (2653186748332).

2866216340648 is a wasteful number, since it uses less digits than its factorization.

2866216340648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683163356 (or 9683163352 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 2866216340648 in words is "two trillion, eight hundred sixty-six billion, two hundred sixteen million, three hundred forty thousand, six hundred forty-eight".