3040661661 has 16 divisors (see below), whose sum is σ = 4134149760. Its totient is φ = 1987531200.

The previous prime is 3040661651. The next prime is 3040661669. The reversal of 3040661661 is 1661660403.

It is not a de Polignac number, because 3040661661 - 2⁹ = 3040661149 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 (3040661669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17506 + ... + 79923.

It is an arithmetic number, because the mean of its divisors is an integer number (258384360).

Almost surely, 2^3040661661 is an apocalyptic number.

It is an amenable number.

3040661661 is a deficient number, since it is larger than the sum of its proper divisors (1093488099).

3040661661 is a wasteful number, since it uses less digits than its factorization.

3040661661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97636.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3040661661 is about 55142.1949236698. The cubic root of 3040661661 is about 1448.7363800585.

The spelling of 3040661661 in words is "three billion, forty million, six hundred sixty-one thousand, six hundred sixty-one".