6570117071566 has 8 divisors (see below), whose sum is σ = 10434891819600. Its totient is φ = 3091819798368.

The previous prime is 6570117071561. The next prime is 6570117071627. The reversal of 6570117071566 is 6651707110756.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6570117071561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96619368666 + ... + 96619368733.

It is an arithmetic number, because the mean of its divisors is an integer number (1304361477450).

Almost surely, 2^{6570117071566} is an apocalyptic number.

6570117071566 is a deficient number, since it is larger than the sum of its proper divisors (3864774748034).

6570117071566 is a wasteful number, since it uses less digits than its factorization.

6570117071566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193238737418.

The product of its (nonzero) digits is 1852200, while the sum is 52.

The spelling of 6570117071566 in words is "six trillion, five hundred seventy billion, one hundred seventeen million, seventy-one thousand, five hundred sixty-six".