1560566010661 has 8 divisors (see below), whose sum is σ = 1783796390784. Its totient is φ = 1337408725200.

The previous prime is 1560566010623. The next prime is 1560566010671. The reversal of 1560566010661 is 1660106650651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1560566010661 - 2¹³ = 1560566002469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560566010611) 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, 18227905 + ... + 18313318.

It is an arithmetic number, because the mean of its divisors is an integer number (222974548848).

Almost surely, 2^{1560566010661} is an apocalyptic number.

It is an amenable number.

1560566010661 is a deficient number, since it is larger than the sum of its proper divisors (223230380123).

1560566010661 is an equidigital number, since it uses as much as digits as its factorization.

1560566010661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36547331.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 1560566010661 in words is "one trillion, five hundred sixty billion, five hundred sixty-six million, ten thousand, six hundred sixty-one".