606066646420 has 24 divisors (see below), whose sum is σ = 1272838609224. Its totient is φ = 242407867776.

The previous prime is 606066646397. The next prime is 606066646459. The reversal of 606066646420 is 24646660606.

It can be written as a sum of positive squares in 4 ways, for example, as 27742899844 + 578323746576 = 166562^2 + 760476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908479 + ... + 1427398.

It is an arithmetic number, because the mean of its divisors is an integer number (53034942051).

Almost surely, 2^606066646420 is an apocalyptic number.

It is an amenable number.

606066646420 is an abundant number, since it is smaller than the sum of its proper divisors (666771962804).

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

606066646420 is a wasteful number, since it uses less digits than its factorization.

606066646420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348859 (or 2348857 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 606066646420 in words is "six hundred six billion, sixty-six million, six hundred forty-six thousand, four hundred twenty".