6663822573 has 16 divisors (see below), whose sum is σ = 9222909696. Its totient is φ = 4276741440.

The previous prime is 6663822563. The next prime is 6663822611. The reversal of 6663822573 is 3752283666.

It is not a de Polignac number, because 6663822573 - 2⁸ = 6663822317 is a prime.

It is a super-3 number, since 3×6663822573³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663822563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378786 + ... + 395987.

It is an arithmetic number, because the mean of its divisors is an integer number (576431856).

Almost surely, 2^6663822573 is an apocalyptic number.

It is an amenable number.

6663822573 is a deficient number, since it is larger than the sum of its proper divisors (2559087123).

6663822573 is a wasteful number, since it uses less digits than its factorization.

6663822573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774884.

The product of its digits is 2177280, while the sum is 48.

The square root of 6663822573 is about 81632.2397891911. The cubic root of 6663822573 is about 1881.8043802325.

The spelling of 6663822573 in words is "six billion, six hundred sixty-three million, eight hundred twenty-two thousand, five hundred seventy-three".