6656059 has 2 divisors, whose sum is σ = 6656060. Its totient is φ = 6656058.

The previous prime is 6656011. The next prime is 6656071. The reversal of 6656059 is 9506566.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6656059 - 2⁷ = 6655931 is a prime.

It is a super-2 number, since 2×6656059² = 88606242822962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6656009) 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 as a sum of consecutive naturals, namely, 3328029 + 3328030.

It is an arithmetic number, because the mean of its divisors is an integer number (3328030).

Almost surely, 2^6656059 is an apocalyptic number.

6656059 is a deficient number, since it is larger than the sum of its proper divisors (1).

6656059 is an equidigital number, since it uses as much as digits as its factorization.

6656059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 6656059 is about 2579.9339138823. The cubic root of 6656059 is about 188.1073308203.

It can be divided in two parts, 665 and 6059, that added together give a square (6724 = 82²).

The spelling of 6656059 in words is "six million, six hundred fifty-six thousand, fifty-nine".