8666066526 has 32 divisors (see below), whose sum is σ = 18875112480. Its totient is φ = 2636519424.

The previous prime is 8666066503. The next prime is 8666066543. The reversal of 8666066526 is 6256606668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617235 + ... + 631118.

It is an arithmetic number, because the mean of its divisors is an integer number (589847265).

Almost surely, 2^8666066526 is an apocalyptic number.

8666066526 is an abundant number, since it is smaller than the sum of its proper divisors (10209045954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8666066526 is a wasteful number, since it uses less digits than its factorization.

8666066526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248460.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 8666066526 is about 93091.7102968895. The cubic root of 8666066526 is about 2054.0326351948.

The spelling of 8666066526 in words is "eight billion, six hundred sixty-six million, sixty-six thousand, five hundred twenty-six".