8168816089706 has 8 divisors (see below), whose sum is σ = 12254269934340. Its totient is φ = 4084059444928.

The previous prime is 8168816089697. The next prime is 8168816089723. The reversal of 8168816089706 is 6079806188618.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6196659297481 + 1972156792225 = 2489309^2 + 1404335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174270671 + ... + 174317538.

Almost surely, 2^{8168816089706} is an apocalyptic number.

8168816089706 is a deficient number, since it is larger than the sum of its proper divisors (4085453844634).

8168816089706 is a wasteful number, since it uses less digits than its factorization.

8168816089706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348599928.

The product of its (nonzero) digits is 55738368, while the sum is 68.

The spelling of 8168816089706 in words is "eight trillion, one hundred sixty-eight billion, eight hundred sixteen million, eighty-nine thousand, seven hundred six".