8006066165 has 4 divisors (see below), whose sum is σ = 9607279404. Its totient is φ = 6404852928.

The previous prime is 8006066129. The next prime is 8006066171. The reversal of 8006066165 is 5616606008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 897721444 + 7108344721 = 29962^2 + 84311^2 .

It is a cyclic number.

It is not a de Polignac number, because 8006066165 - 2¹⁸ = 8005804021 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 800606612 + ... + 800606621.

It is an arithmetic number, because the mean of its divisors is an integer number (2401819851).

Almost surely, 2^8006066165 is an apocalyptic number.

It is an amenable number.

8006066165 is a deficient number, since it is larger than the sum of its proper divisors (1601213239).

8006066165 is a wasteful number, since it uses less digits than its factorization.

8006066165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601213238.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 8006066165 is about 89476.6235672759. The cubic root of 8006066165 is about 2000.5053860317.

The spelling of 8006066165 in words is "eight billion, six million, sixty-six thousand, one hundred sixty-five".