6566499132 has 12 divisors (see below), whose sum is σ = 15321831336. Its totient is φ = 2188833040.

The previous prime is 6566499131. The next prime is 6566499133. The reversal of 6566499132 is 2319946656.

It is an interprime number because it is at equal distance from previous prime (6566499131) and next prime (6566499133).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566499131) 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 3 ways as a sum of consecutive naturals, for example, 273604119 + ... + 273604142.

It is an arithmetic number, because the mean of its divisors is an integer number (1276819278).

Almost surely, 2^6566499132 is an apocalyptic number.

It is an amenable number.

6566499132 is an abundant number, since it is smaller than the sum of its proper divisors (8755332204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6566499132 is a wasteful number, since it uses less digits than its factorization.

6566499132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547208268 (or 547208266 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 6566499132 is about 81033.9381493952. The cubic root of 6566499132 is about 1872.5983242042.

The spelling of 6566499132 in words is "six billion, five hundred sixty-six million, four hundred ninety-nine thousand, one hundred thirty-two".