6641155055 has 8 divisors (see below), whose sum is σ = 7982264400. Its totient is φ = 5304338496.

The previous prime is 6641155021. The next prime is 6641155067. The reversal of 6641155055 is 5505511466.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6641155055 - 2⁸ = 6641154799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069790 + ... + 1075979.

It is an arithmetic number, because the mean of its divisors is an integer number (997783050).

Almost surely, 2^6641155055 is an apocalyptic number.

6641155055 is a deficient number, since it is larger than the sum of its proper divisors (1341109345).

6641155055 is a wasteful number, since it uses less digits than its factorization.

6641155055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146393.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 6641155055 is about 81493.2822691539. The cubic root of 6641155055 is about 1879.6682543313.

The spelling of 6641155055 in words is "six billion, six hundred forty-one million, one hundred fifty-five thousand, fifty-five".