6601571055 has 24 divisors (see below), whose sum is σ = 11811845760. Its totient is φ = 3407261760.

The previous prime is 6601571029. The next prime is 6601571099. The reversal of 6601571055 is 5501751066.

It is not a de Polignac number, because 6601571055 - 2¹⁵ = 6601538287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2364760 + ... + 2367549.

It is an arithmetic number, because the mean of its divisors is an integer number (492160240).

Almost surely, 2^6601571055 is an apocalyptic number.

6601571055 is a deficient number, since it is larger than the sum of its proper divisors (5210274705).

6601571055 is a wasteful number, since it uses less digits than its factorization.

6601571055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732351 (or 4732348 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 6601571055 is about 81250.0526461368. The cubic root of 6601571055 is about 1875.9262793948.

The spelling of 6601571055 in words is "six billion, six hundred one million, five hundred seventy-one thousand, fifty-five".