3066755661 has 20 divisors (see below), whose sum is σ = 4584830844. Its totient is φ = 2042884800.

The previous prime is 3066755651. The next prime is 3066755677. The reversal of 3066755661 is 1665576603.

3066755661 is a `hidden beast` number, since 30 + 6 + 6 + 7 + 556 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2949141636 + 117614025 = 54306^2 + 10845^2 .

It is not a de Polignac number, because 3066755661 - 2⁹ = 3066755149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3066755641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92671 + ... + 121331.

Almost surely, 2^3066755661 is an apocalyptic number.

It is an amenable number.

3066755661 is a deficient number, since it is larger than the sum of its proper divisors (1518075183).

3066755661 is a wasteful number, since it uses less digits than its factorization.

3066755661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29994 (or 29985 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 3066755661 is about 55378.2959380297. The cubic root of 3066755661 is about 1452.8687811814.

The spelling of 3066755661 in words is "three billion, sixty-six million, seven hundred fifty-five thousand, six hundred sixty-one".