8166082117 has 4 divisors (see below), whose sum is σ = 8172350560. Its totient is φ = 8159813676.

The previous prime is 8166082109. The next prime is 8166082129. The reversal of 8166082117 is 7112806618.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7112806618 = 2 ⋅3556403309.

It is a cyclic number.

It is not a de Polignac number, because 8166082117 - 2³ = 8166082109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8166082117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166032117) 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 3 ways as a sum of consecutive naturals, for example, 3132267 + ... + 3134872.

It is an arithmetic number, because the mean of its divisors is an integer number (2043087640).

Almost surely, 2^8166082117 is an apocalyptic number.

It is an amenable number.

8166082117 is a deficient number, since it is larger than the sum of its proper divisors (6268443).

8166082117 is a wasteful number, since it uses less digits than its factorization.

8166082117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268442.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 8166082117 is about 90366.3771377386. The cubic root of 8166082117 is about 2013.7454907378.

The spelling of 8166082117 in words is "eight billion, one hundred sixty-six million, eighty-two thousand, one hundred seventeen".