8166120917 has 8 divisors (see below), whose sum is σ = 8268220800. Its totient is φ = 8064109600.

The previous prime is 8166120899. The next prime is 8166120943. The reversal of 8166120917 is 7190216618.

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 8166120917 - 2¹⁴ = 8166104533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166120217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174209 + ... + 216057.

It is an arithmetic number, because the mean of its divisors is an integer number (1033527600).

Almost surely, 2^8166120917 is an apocalyptic number.

It is an amenable number.

8166120917 is a deficient number, since it is larger than the sum of its proper divisors (102099883).

8166120917 is a wasteful number, since it uses less digits than its factorization.

8166120917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44283.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 8166120917 is about 90366.5918191009. The cubic root of 8166120917 is about 2013.7486800763.

The spelling of 8166120917 in words is "eight billion, one hundred sixty-six million, one hundred twenty thousand, nine hundred seventeen".