8169126 has 64 divisors (see below), whose sum is σ = 20390400. Its totient is φ = 2128896.

The previous prime is 8169121. The next prime is 8169131. The reversal of 8169126 is 6219618.

It is an interprime number because it is at equal distance from previous prime (8169121) and next prime (8169131).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8169121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22966 + ... + 23318.

It is an arithmetic number, because the mean of its divisors is an integer number (318600).

Almost surely, 2^8169126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8169126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10195200).

8169126 is an abundant number, since it is smaller than the sum of its proper divisors (12221274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8169126 is a wasteful number, since it uses less digits than its factorization.

8169126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 5184, while the sum is 33.

The square root of 8169126 is about 2858.1682945551. The cubic root of 8169126 is about 201.3995665552.

The spelling of 8169126 in words is "eight million, one hundred sixty-nine thousand, one hundred twenty-six".