6665100055 has 8 divisors (see below), whose sum is σ = 7998685344. Its totient is φ = 5331703200.

The previous prime is 6665100031. The next prime is 6665100059. The reversal of 6665100055 is 5500015666.

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

It is not a de Polignac number, because 6665100055 - 2¹¹ = 6665098007 is a prime.

It is a super-2 number, since 2×6665100055² = 88847117486322006050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665100059) 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, 48270 + ... + 125140.

It is an arithmetic number, because the mean of its divisors is an integer number (999835668).

Almost surely, 2^6665100055 is an apocalyptic number.

6665100055 is a deficient number, since it is larger than the sum of its proper divisors (1333585289).

6665100055 is a wasteful number, since it uses less digits than its factorization.

6665100055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94217.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 6665100055 is about 81640.0640310871. The cubic root of 6665100055 is about 1881.9246224106.

The spelling of 6665100055 in words is "six billion, six hundred sixty-five million, one hundred thousand, fifty-five".