2666055650 has 12 divisors (see below), whose sum is σ = 4958863602. Its totient is φ = 1066422240.

The previous prime is 2666055647. The next prime is 2666055653. The reversal of 2666055650 is 565506662.

It is an interprime number because it is at equal distance from previous prime (2666055647) and next prime (2666055653).

It can be written as a sum of positive squares in 3 ways, for example, as 1282141249 + 1383914401 = 35807^2 + 37201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2666055598 and 2666055607.

It is not an unprimeable number, because it can be changed into a prime (2666055653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26660507 + ... + 26660606.

Almost surely, 2^2666055650 is an apocalyptic number.

2666055650 is a deficient number, since it is larger than the sum of its proper divisors (2292807952).

2666055650 is a wasteful number, since it uses less digits than its factorization.

2666055650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53321125 (or 53321120 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 2666055650 is about 51633.8614670644. The cubic root of 2666055650 is about 1386.6166267872.

The spelling of 2666055650 in words is "two billion, six hundred sixty-six million, fifty-five thousand, six hundred fifty".