6506664133 has 8 divisors (see below), whose sum is σ = 7252009920. Its totient is φ = 5801607360.

The previous prime is 6506664107. The next prime is 6506664139. The reversal of 6506664133 is 3314666056.

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 6506664133 - 2¹³ = 6506655941 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 (6506664139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10071913 + ... + 10072558.

It is an arithmetic number, because the mean of its divisors is an integer number (906501240).

Almost surely, 2^6506664133 is an apocalyptic number.

It is an amenable number.

6506664133 is a deficient number, since it is larger than the sum of its proper divisors (745345787).

6506664133 is a wasteful number, since it uses less digits than its factorization.

6506664133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20144507.

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

The square root of 6506664133 is about 80663.8960936056. The cubic root of 6506664133 is about 1866.8931541760.

The spelling of 6506664133 in words is "six billion, five hundred six million, six hundred sixty-four thousand, one hundred thirty-three".