605666600604 has 144 divisors (see below), whose sum is σ = 1683557427552. Its totient is φ = 182463031296.

The previous prime is 605666600563. The next prime is 605666600639. The reversal of 605666600604 is 406006666506.

It is a self number, because there is not a number n which added to its sum of digits gives 605666600604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4615767 + ... + 4745169.

Almost surely, 2^605666600604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605666600604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841778713776).

605666600604 is an abundant number, since it is smaller than the sum of its proper divisors (1077890826948).

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

605666600604 is a wasteful number, since it uses less digits than its factorization.

605666600604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129636 (or 129631 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 605666600604 in words is "six hundred five billion, six hundred sixty-six million, six hundred thousand, six hundred four".