6656079 has 8 divisors (see below), whose sum is σ = 8902912. Its totient is φ = 4423320.

The previous prime is 6656077. The next prime is 6656101. The reversal of 6656079 is 9706566.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6656079 - 2¹ = 6656077 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359 + ... + 4344.

It is an arithmetic number, because the mean of its divisors is an integer number (1112864).

Almost surely, 2^6656079 is an apocalyptic number.

6656079 is a deficient number, since it is larger than the sum of its proper divisors (2246833).

6656079 is a wasteful number, since it uses less digits than its factorization.

6656079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 6656079 is about 2579.9377899477. The cubic root of 6656079 is about 188.1075192272.

It can be divided in two parts, 6 and 656079, that added together give a triangular number (656085 = T₁₁₄₅).

The spelling of 6656079 in words is "six million, six hundred fifty-six thousand, seventy-nine".