2066626866848 has 24 divisors (see below), whose sum is σ = 4068732819060. Its totient is φ = 1033297896960.

The previous prime is 2066626866809. The next prime is 2066626866853. The reversal of 2066626866848 is 8486686266602.

It can be written as a sum of positive squares in 2 ways, for example, as 1981416586384 + 85210280464 = 1407628^2 + 291908^2 .

It is a super-2 number, since 2×2066626866848² (a number of 25 digits) contains 22 as substring.

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, 1848668 + ... + 2747876.

Almost surely, 2^{2066626866848} is an apocalyptic number.

It is an amenable number.

2066626866848 is a deficient number, since it is larger than the sum of its proper divisors (2002105952212).

2066626866848 is an equidigital number, since it uses as much as digits as its factorization.

2066626866848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971040 (or 971032 counting only the distinct ones).

The product of its (nonzero) digits is 382205952, while the sum is 68.

The spelling of 2066626866848 in words is "two trillion, sixty-six billion, six hundred twenty-six million, eight hundred sixty-six thousand, eight hundred forty-eight".