1066568 has 8 divisors (see below), whose sum is σ = 1999830. Its totient is φ = 533280.

The previous prime is 1066567. The next prime is 1066577. The reversal of 1066568 is 8656601.

It can be written as a sum of positive squares in only one way, i.e., 708964 + 357604 = 842^2 + 598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1066568² = 2275134597248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66653 + ... + 66668.

2^1066568 is an apocalyptic number.

It is an amenable number.

1066568 is a deficient number, since it is larger than the sum of its proper divisors (933262).

1066568 is a wasteful number, since it uses less digits than its factorization.

1066568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133327 (or 133323 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1066568 is about 1032.7477910894. The cubic root of 1066568 is about 102.1714405054.

The spelling of 1066568 in words is "one million, sixty-six thousand, five hundred sixty-eight".