6534666803 has 12 divisors (see below), whose sum is σ = 7679923272. Its totient is φ = 5543395200.

The previous prime is 6534666791. The next prime is 6534666821. The reversal of 6534666803 is 3086664356.

It is not a de Polignac number, because 6534666803 - 2²⁰ = 6533618227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6534666833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 682673 + ... + 692178.

It is an arithmetic number, because the mean of its divisors is an integer number (639993606).

Almost surely, 2^6534666803 is an apocalyptic number.

6534666803 is a deficient number, since it is larger than the sum of its proper divisors (1145256469).

6534666803 is a wasteful number, since it uses less digits than its factorization.

6534666803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374962 (or 1374955 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 47.

The square root of 6534666803 is about 80837.2859700275. The cubic root of 6534666803 is about 1869.5674982305.

The spelling of 6534666803 in words is "six billion, five hundred thirty-four million, six hundred sixty-six thousand, eight hundred three".