6616413 has 6 divisors (see below), whose sum is σ = 9557054. Its totient is φ = 4410936.

The previous prime is 6616403. The next prime is 6616447. The reversal of 6616413 is 3146166.

6616413 is a `hidden beast` number, since 6 + 616 + 41 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6260004 + 356409 = 2502^2 + 597^2 .

It is not a de Polignac number, because 6616413 - 2⁴ = 6616397 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 (6616403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367570 + ... + 367587.

Almost surely, 2^6616413 is an apocalyptic number.

It is an amenable number.

6616413 is a deficient number, since it is larger than the sum of its proper divisors (2940641).

6616413 is a wasteful number, since it uses less digits than its factorization.

6616413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735163 (or 735160 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 6616413 is about 2572.2389080332. The cubic root of 6616413 is about 187.7331074049.

The spelling of 6616413 in words is "six million, six hundred sixteen thousand, four hundred thirteen".