6116661 has 16 divisors (see below), whose sum is σ = 9155520. Its totient is φ = 4035600.

The previous prime is 6116659. The next prime is 6116683. The reversal of 6116661 is 1666116.

It is not a de Polignac number, because 6116661 - 2¹ = 6116659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6116161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1606 + ... + 3848.

It is an arithmetic number, because the mean of its divisors is an integer number (572220).

Almost surely, 2^6116661 is an apocalyptic number.

It is an amenable number.

6116661 is a deficient number, since it is larger than the sum of its proper divisors (3038859).

6116661 is a wasteful number, since it uses less digits than its factorization.

6116661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2347 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 6116661 is about 2473.1884279205. The cubic root of 6116661 is about 182.8822139115.

The spelling of 6116661 in words is "six million, one hundred sixteen thousand, six hundred sixty-one".