6533268887 has 16 divisors (see below), whose sum is σ = 6968540160. Its totient is φ = 6110836512.

The previous prime is 6533268881. The next prime is 6533268893. The reversal of 6533268887 is 7888623356.

It is an interprime number because it is at equal distance from previous prime (6533268881) and next prime (6533268893).

It is not a de Polignac number, because 6533268887 - 2²⁴ = 6516491671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6533268881) 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 15 ways as a sum of consecutive naturals, for example, 1748273 + ... + 1752005.

It is an arithmetic number, because the mean of its divisors is an integer number (435533760).

Almost surely, 2^6533268887 is an apocalyptic number.

6533268887 is a deficient number, since it is larger than the sum of its proper divisors (435271273).

6533268887 is a wasteful number, since it uses less digits than its factorization.

6533268887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422.

The product of its digits is 11612160, while the sum is 56.

The square root of 6533268887 is about 80828.6390272656. The cubic root of 6533268887 is about 1869.4341741819.

The spelling of 6533268887 in words is "six billion, five hundred thirty-three million, two hundred sixty-eight thousand, eight hundred eighty-seven".