1066560218 has 16 divisors (see below), whose sum is σ = 1651548096. Its totient is φ = 516264000.

The previous prime is 1066560217. The next prime is 1066560233. The reversal of 1066560218 is 8120656601.

It is a happy number.

It is a super-2 number, since 2×1066560218² = 2275101397240415048, which contains 22 as substring.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45158 + ... + 64593.

It is an arithmetic number, because the mean of its divisors is an integer number (103221756).

Almost surely, 2^1066560218 is an apocalyptic number.

1066560218 is a deficient number, since it is larger than the sum of its proper divisors (584987878).

1066560218 is a wasteful number, since it uses less digits than its factorization.

1066560218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109909.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1066560218 is about 32658.2335407168. The cubic root of 1066560218 is about 1021.7119201368.

The spelling of 1066560218 in words is "one billion, sixty-six million, five hundred sixty thousand, two hundred eighteen".