1066560203 has 4 divisors (see below), whose sum is σ = 1082479080. Its totient is φ = 1050641328.

The previous prime is 1066560199. The next prime is 1066560217. The reversal of 1066560203 is 3020656601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3020656601 = 19973 ⋅151237.

It is a cyclic number.

It is not a de Polignac number, because 1066560203 - 2² = 1066560199 is a prime.

It is a super-2 number, since 2×1066560203² = 2275101333246802418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066560233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7959338 + ... + 7959471.

It is an arithmetic number, because the mean of its divisors is an integer number (270619770).

Almost surely, 2^1066560203 is an apocalyptic number.

1066560203 is a deficient number, since it is larger than the sum of its proper divisors (15918877).

1066560203 is an equidigital number, since it uses as much as digits as its factorization.

1066560203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15918876.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1066560203 is about 32658.2333110657. The cubic root of 1066560203 is about 1021.7119153471.

The spelling of 1066560203 in words is "one billion, sixty-six million, five hundred sixty thousand, two hundred three".