803366563 has 8 divisors (see below), whose sum is σ = 848908800. Its totient is φ = 758708808.

The previous prime is 803366561. The next prime is 803366573. The reversal of 803366563 is 365663308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 803366563 - 2¹ = 803366561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803366561) 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, 219253 + ... + 222886.

It is an arithmetic number, because the mean of its divisors is an integer number (106113600).

Almost surely, 2^803366563 is an apocalyptic number.

803366563 is a deficient number, since it is larger than the sum of its proper divisors (45542237).

803366563 is a wasteful number, since it uses less digits than its factorization.

803366563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442241.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 803366563 is about 28343.7217563255. The cubic root of 803366563 is about 929.6181277990.

The spelling of 803366563 in words is "eight hundred three million, three hundred sixty-six thousand, five hundred sixty-three".