606046221556 has 12 divisors (see below), whose sum is σ = 1062147481668. Its totient is φ = 302575512512.

The previous prime is 606046221551. The next prime is 606046221569. The reversal of 606046221556 is 655122640606.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 481797021456 + 124249200100 = 694116^2 + 352490^2 .

It is a super-2 number, since 2×606046221556² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606046221551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111896521 + ... + 111901936.

It is an arithmetic number, because the mean of its divisors is an integer number (88512290139).

Almost surely, 2^606046221556 is an apocalyptic number.

It is an amenable number.

606046221556 is a deficient number, since it is larger than the sum of its proper divisors (456101260112).

606046221556 is a wasteful number, since it uses less digits than its factorization.

606046221556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223799138 (or 223799136 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 606046221556 in words is "six hundred six billion, forty-six million, two hundred twenty-one thousand, five hundred fifty-six".