1560666516 has 24 divisors (see below), whose sum is σ = 3650016384. Its totient is φ = 519013440.

The previous prime is 1560666491. The next prime is 1560666529. The reversal of 1560666516 is 6156660651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145705 + ... + 156048.

It is an arithmetic number, because the mean of its divisors is an integer number (152084016).

Almost surely, 2^1560666516 is an apocalyptic number.

It is an amenable number.

1560666516 is an abundant number, since it is smaller than the sum of its proper divisors (2089349868).

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

1560666516 is a wasteful number, since it uses less digits than its factorization.

1560666516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302191 (or 302189 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1560666516 is about 39505.2720026074. The cubic root of 1560666516 is about 1159.9431492154.

The spelling of 1560666516 in words is "one billion, five hundred sixty million, six hundred sixty-six thousand, five hundred sixteen".