6606501013 has 4 divisors (see below), whose sum is σ = 7550286880. Its totient is φ = 5662715148.

The previous prime is 6606501007. The next prime is 6606501079. The reversal of 6606501013 is 3101056066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6606501013 - 2⁵ = 6606500981 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 (6606501413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471892923 + ... + 471892936.

It is an arithmetic number, because the mean of its divisors is an integer number (1887571720).

Almost surely, 2^6606501013 is an apocalyptic number.

It is an amenable number.

6606501013 is a deficient number, since it is larger than the sum of its proper divisors (943785867).

6606501013 is an equidigital number, since it uses as much as digits as its factorization.

6606501013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943785866.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6606501013 is about 81280.3851676405. The cubic root of 6606501013 is about 1876.3931347587.

Adding to 6606501013 its reverse (3101056066), we get a palindrome (9707557079).

The spelling of 6606501013 in words is "six billion, six hundred six million, five hundred one thousand, thirteen".