6506016649 has 8 divisors (see below), whose sum is σ = 7133140800. Its totient is φ = 5884837200.

The previous prime is 6506016623. The next prime is 6506016667. The reversal of 6506016649 is 9466106056.

6506016649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6506016649 - 2⁹ = 6506016137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6506016949) 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, 1483882 + ... + 1488259.

It is an arithmetic number, because the mean of its divisors is an integer number (891642600).

Almost surely, 2^6506016649 is an apocalyptic number.

It is an amenable number.

6506016649 is a deficient number, since it is larger than the sum of its proper divisors (627124151).

6506016649 is a wasteful number, since it uses less digits than its factorization.

6506016649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972351.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 6506016649 is about 80659.8825253298. The cubic root of 6506016649 is about 1866.8312267162.

The spelling of 6506016649 in words is "six billion, five hundred six million, sixteen thousand, six hundred forty-nine".