1066560216 has 32 divisors (see below), whose sum is σ = 2670978240. Its totient is φ = 354909728.

The previous prime is 1066560199. The next prime is 1066560217. The reversal of 1066560216 is 6120656601.

It is a super-2 number, since 2×1066560216² = 2275101388707933312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066560217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23766 + ... + 51941.

It is an arithmetic number, because the mean of its divisors is an integer number (83468070).

Almost surely, 2^1066560216 is an apocalyptic number.

It is an amenable number.

1066560216 is an abundant number, since it is smaller than the sum of its proper divisors (1604418024).

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

1066560216 is a wasteful number, since it uses less digits than its factorization.

1066560216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76303 (or 76299 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1066560216 is about 32658.2335100967. The cubic root of 1066560216 is about 1021.7119194982.

The spelling of 1066560216 in words is "one billion, sixty-six million, five hundred sixty thousand, two hundred sixteen".