8409168266 has 16 divisors (see below), whose sum is σ = 12985630560. Its totient is φ = 4081168080.

The previous prime is 8409168263. The next prime is 8409168277. The reversal of 8409168266 is 6628619048.

It is a happy number.

It is a super-2 number, since 2×8409168266² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8409168263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104600 + ... + 166611.

It is an arithmetic number, because the mean of its divisors is an integer number (811601910).

Almost surely, 2^8409168266 is an apocalyptic number.

8409168266 is a deficient number, since it is larger than the sum of its proper divisors (4576462294).

8409168266 is a wasteful number, since it uses less digits than its factorization.

8409168266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271669.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 8409168266 is about 91701.5172502615. The cubic root of 8409168266 is about 2033.5320155284.

The spelling of 8409168266 in words is "eight billion, four hundred nine million, one hundred sixty-eight thousand, two hundred sixty-six".