6600006613 has 4 divisors (see below), whose sum is σ = 6629081760. Its totient is φ = 6570931468.

The previous prime is 6600006601. The next prime is 6600006617. The reversal of 6600006613 is 3166000066.

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 6600006613 - 2¹³ = 6599998421 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 (6600006617) 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, 14537233 + ... + 14537686.

It is an arithmetic number, because the mean of its divisors is an integer number (1657270440).

Almost surely, 2^6600006613 is an apocalyptic number.

It is an amenable number.

6600006613 is a deficient number, since it is larger than the sum of its proper divisors (29075147).

6600006613 is a wasteful number, since it uses less digits than its factorization.

6600006613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29075146.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 6600006613 is about 81240.4247465509. The cubic root of 6600006613 is about 1875.7780818574.

Adding to 6600006613 its reverse (3166000066), we get a palindrome (9766006679).

It can be divided in two parts, 66000066 and 13, that multiplied together give a palindrome (858000858).

The spelling of 6600006613 in words is "six billion, six hundred million, six thousand, six hundred thirteen".