561541306606 has 16 divisors (see below), whose sum is σ = 962651939040. Its totient is φ = 240658135200.

The previous prime is 561541306603. The next prime is 561541306643. The reversal of 561541306606 is 606603145165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561541306603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2338756 + ... + 2567656.

It is an arithmetic number, because the mean of its divisors is an integer number (60165746190).

Almost surely, 2^561541306606 is an apocalyptic number.

561541306606 is a deficient number, since it is larger than the sum of its proper divisors (401110632434).

561541306606 is a wasteful number, since it uses less digits than its factorization.

561541306606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404139.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 561541306606 in words is "five hundred sixty-one billion, five hundred forty-one million, three hundred six thousand, six hundred six".