6616959 has 16 divisors (see below), whose sum is σ = 9609600. Its totient is φ = 4034016.

The previous prime is 6616931. The next prime is 6616991. The reversal of 6616959 is 9596166.

It is not a de Polignac number, because 6616959 - 2⁹ = 6616447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6616959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349 + ... + 3654.

It is an arithmetic number, because the mean of its divisors is an integer number (600600).

Almost surely, 2^6616959 is an apocalyptic number.

6616959 is a deficient number, since it is larger than the sum of its proper divisors (2992641).

6616959 is a wasteful number, since it uses less digits than its factorization.

6616959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054.

The product of its digits is 87480, while the sum is 42.

The square root of 6616959 is about 2572.3450390645. The cubic root of 6616959 is about 187.7382713035.

The spelling of 6616959 in words is "six million, six hundred sixteen thousand, nine hundred fifty-nine".