1560520866 has 8 divisors (see below), whose sum is σ = 3121041744. Its totient is φ = 520173620.

The previous prime is 1560520823. The next prime is 1560520877. The reversal of 1560520866 is 6680250651.

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

1560520866 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130043400 + ... + 130043411.

It is an arithmetic number, because the mean of its divisors is an integer number (390130218).

Almost surely, 2^1560520866 is an apocalyptic number.

1560520866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1560520866 is a wasteful number, since it uses less digits than its factorization.

1560520866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260086816.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1560520866 is about 39503.4285347487. The cubic root of 1560520866 is about 1159.9070639971.

The spelling of 1560520866 in words is "one billion, five hundred sixty million, five hundred twenty thousand, eight hundred sixty-six".