6661608094422 has 24 divisors (see below), whose sum is σ = 15193141268760. Its totient is φ = 2103665713920.

The previous prime is 6661608094399. The next prime is 6661608094423. The reversal of 6661608094422 is 2244908061666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6661608094423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9739192779 + ... + 9739193462.

It is an arithmetic number, because the mean of its divisors is an integer number (633047552865).

Almost surely, 2^{6661608094422} is an apocalyptic number.

6661608094422 is an abundant number, since it is smaller than the sum of its proper divisors (8531533174338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6661608094422 is a wasteful number, since it uses less digits than its factorization.

6661608094422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19478386268 (or 19478386265 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 6661608094422 in words is "six trillion, six hundred sixty-one billion, six hundred eight million, ninety-four thousand, four hundred twenty-two".