606256661442 has 16 divisors (see below), whose sum is σ = 1215712571040. Its totient is φ = 201552345792.

The previous prime is 606256661411. The next prime is 606256661443. The reversal of 606256661442 is 244166652606.

It is a junction number, because it is equal to n+sod(n) for n = 606256661391 and 606256661400.

It is not an unprimeable number, because it can be changed into a prime (606256661443) 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 7 ways as a sum of consecutive naturals, for example, 133299543 + ... + 133304090.

It is an arithmetic number, because the mean of its divisors is an integer number (75982035690).

Almost surely, 2^606256661442 is an apocalyptic number.

606256661442 is an abundant number, since it is smaller than the sum of its proper divisors (609455909598).

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

606256661442 is a wasteful number, since it uses less digits than its factorization.

606256661442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266604017.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 606256661442 in words is "six hundred six billion, two hundred fifty-six million, six hundred sixty-one thousand, four hundred forty-two".