605564431656 has 32 divisors (see below), whose sum is σ = 1517802904800. Its totient is φ = 201335900480.

The previous prime is 605564431651. The next prime is 605564431663. The reversal of 605564431656 is 656134465506.

It is a junction number, because it is equal to n+sod(n) for n = 605564431599 and 605564431608.

It is not an unprimeable number, because it can be changed into a prime (605564431651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32422350 + ... + 32441021.

It is an arithmetic number, because the mean of its divisors is an integer number (47431340775).

Almost surely, 2^605564431656 is an apocalyptic number.

It is an amenable number.

605564431656 is an abundant number, since it is smaller than the sum of its proper divisors (912238473144).

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

605564431656 is a wasteful number, since it uses less digits than its factorization.

605564431656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64863769 (or 64863765 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 605564431656 in words is "six hundred five billion, five hundred sixty-four million, four hundred thirty-one thousand, six hundred fifty-six".