8161089 has 8 divisors (see below), whose sum is σ = 11454240. Its totient is φ = 5154336.

The previous prime is 8161081. The next prime is 8161121. The reversal of 8161089 is 9801618.

8161089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8161089 - 2³ = 8161081 is a prime.

8161089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8161081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71532 + ... + 71645.

It is an arithmetic number, because the mean of its divisors is an integer number (1431780).

Almost surely, 2^8161089 is an apocalyptic number.

It is an amenable number.

8161089 is a deficient number, since it is larger than the sum of its proper divisors (3293151).

8161089 is a wasteful number, since it uses less digits than its factorization.

8161089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143199.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 8161089 is about 2856.7619781844. The cubic root of 8161089 is about 201.3334974951. Note that the first 3 decimals are identical.

The spelling of 8161089 in words is "eight million, one hundred sixty-one thousand, eighty-nine".