561160605662 has 16 divisors (see below), whose sum is σ = 842365001520. Its totient is φ = 280372326528.

The previous prime is 561160605631. The next prime is 561160605671. The reversal of 561160605662 is 266506061165.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 42195398 + ... + 42208694.

It is an arithmetic number, because the mean of its divisors is an integer number (52647812595).

Almost surely, 2^561160605662 is an apocalyptic number.

561160605662 is a deficient number, since it is larger than the sum of its proper divisors (281204395858).

561160605662 is a wasteful number, since it uses less digits than its factorization.

561160605662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27355.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 561160605662 in words is "five hundred sixty-one billion, one hundred sixty million, six hundred five thousand, six hundred sixty-two".