1066641303 has 64 divisors (see below), whose sum is σ = 1794329600. Its totient is φ = 551940480.

The previous prime is 1066641299. The next prime is 1066641341. The reversal of 1066641303 is 3031466601.

It is not a de Polignac number, because 1066641303 - 2² = 1066641299 is a prime.

It is a super-2 number, since 2×1066641303² = 2275447338531075618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066641203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2814168 + ... + 2814546.

It is an arithmetic number, because the mean of its divisors is an integer number (28036400).

Almost surely, 2^1066641303 is an apocalyptic number.

1066641303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1066641303 is a deficient number, since it is larger than the sum of its proper divisors (727688297).

1066641303 is an equidigital number, since it uses as much as digits as its factorization.

1066641303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1066641303 is about 32659.4749345423. The cubic root of 1066641303 is about 1021.7378112868.

The spelling of 1066641303 in words is "one billion, sixty-six million, six hundred forty-one thousand, three hundred three".