6616013 has 8 divisors (see below), whose sum is σ = 6787200. Its totient is φ = 6447168.

The previous prime is 6616003. The next prime is 6616021. The reversal of 6616013 is 3106166.

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 6616013 - 2⁸ = 6615757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6616013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616003) 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, 6053 + ... + 7061.

It is an arithmetic number, because the mean of its divisors is an integer number (848400).

Almost surely, 2^6616013 is an apocalyptic number.

It is an amenable number.

6616013 is a deficient number, since it is larger than the sum of its proper divisors (171187).

6616013 is a wasteful number, since it uses less digits than its factorization.

6616013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 6616013 is about 2572.1611535827. The cubic root of 6616013 is about 187.7293241487.

The spelling of 6616013 in words is "six million, six hundred sixteen thousand, thirteen".