8126655565 has 8 divisors (see below), whose sum is σ = 11145127680. Its totient is φ = 5572563792.

The previous prime is 8126655539. The next prime is 8126655569. The reversal of 8126655565 is 5655566218.

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 8126655565 - 2²³ = 8118266957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8126655569) 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, 116095045 + ... + 116095114.

It is an arithmetic number, because the mean of its divisors is an integer number (1393140960).

Almost surely, 2^8126655565 is an apocalyptic number.

It is an amenable number.

8126655565 is a deficient number, since it is larger than the sum of its proper divisors (3018472115).

8126655565 is a wasteful number, since it uses less digits than its factorization.

8126655565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232190171.

The product of its digits is 2160000, while the sum is 49.

The square root of 8126655565 is about 90147.9648411433. The cubic root of 8126655565 is about 2010.4994151053.

The spelling of 8126655565 in words is "eight billion, one hundred twenty-six million, six hundred fifty-five thousand, five hundred sixty-five".