6571342655 has 8 divisors (see below), whose sum is σ = 7887478032. Its totient is φ = 5255829568.

The previous prime is 6571342637. The next prime is 6571342681. The reversal of 6571342655 is 5562431756.

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 6571342655 - 2²⁴ = 6554565439 is a prime.

It is a Duffinian number.

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, 132014 + ... + 174843.

It is an arithmetic number, because the mean of its divisors is an integer number (985934754).

Almost surely, 2^6571342655 is an apocalyptic number.

6571342655 is a deficient number, since it is larger than the sum of its proper divisors (1316135377).

6571342655 is a wasteful number, since it uses less digits than its factorization.

6571342655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311145.

The product of its digits is 756000, while the sum is 44.

The square root of 6571342655 is about 81063.8184087081. The cubic root of 6571342655 is about 1873.0586275178.

The spelling of 6571342655 in words is "six billion, five hundred seventy-one million, three hundred forty-two thousand, six hundred fifty-five".