6656075437 has 16 divisors (see below), whose sum is σ = 7471491840. Its totient is φ = 5877976000.

The previous prime is 6656075429. The next prime is 6656075453. The reversal of 6656075437 is 7345706566.

It is a cyclic number.

It is not a de Polignac number, because 6656075437 - 2³ = 6656075429 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 (6656070437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2364 + ... + 115402.

It is an arithmetic number, because the mean of its divisors is an integer number (466968240).

Almost surely, 2^6656075437 is an apocalyptic number.

It is an amenable number.

6656075437 is a deficient number, since it is larger than the sum of its proper divisors (815416403).

6656075437 is a wasteful number, since it uses less digits than its factorization.

6656075437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113204.

The product of its (nonzero) digits is 3175200, while the sum is 49.

The square root of 6656075437 is about 81584.7745415773. The cubic root of 6656075437 is about 1881.0748566255.

The spelling of 6656075437 in words is "six billion, six hundred fifty-six million, seventy-five thousand, four hundred thirty-seven".