6665414126 has 16 divisors (see below), whose sum is σ = 11427722880. Its totient is φ = 2856281400.

The previous prime is 6665414123. The next prime is 6665414137. The reversal of 6665414126 is 6214145666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665414123) 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 7 ways as a sum of consecutive naturals, for example, 133301 + ... + 176351.

It is an arithmetic number, because the mean of its divisors is an integer number (714232680).

Almost surely, 2^6665414126 is an apocalyptic number.

6665414126 is a deficient number, since it is larger than the sum of its proper divisors (4762308754).

6665414126 is a wasteful number, since it uses less digits than its factorization.

6665414126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54119.

The product of its digits is 207360, while the sum is 41.

The square root of 6665414126 is about 81641.9875186782. The cubic root of 6665414126 is about 1881.9541817900.

The spelling of 6665414126 in words is "six billion, six hundred sixty-five million, four hundred fourteen thousand, one hundred twenty-six".