8197164 has 18 divisors (see below), whose sum is σ = 20720700. Its totient is φ = 2732376.

The previous prime is 8197159. The next prime is 8197183. The reversal of 8197164 is 4617918.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 227699 = 8197164 / (8 + 1 + 9 + 7 + 1 + 6 + 4).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 113814 + ... + 113885.

It is an arithmetic number, because the mean of its divisors is an integer number (1151150).

Almost surely, 2^8197164 is an apocalyptic number.

It is an amenable number.

8197164 is an abundant number, since it is smaller than the sum of its proper divisors (12523536).

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

8197164 is a wasteful number, since it uses less digits than its factorization.

8197164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227709 (or 227704 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 8197164 is about 2863.0689827526. The cubic root of 8197164 is about 201.6297173690.

The spelling of 8197164 in words is "eight million, one hundred ninety-seven thousand, one hundred sixty-four".