8564164 has 48 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 3459456.

The previous prime is 8564147. The next prime is 8564167. The reversal of 8564164 is 4614658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8564167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42937 + ... + 43135.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^8564164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8564164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9072000).

8564164 is an abundant number, since it is smaller than the sum of its proper divisors (9579836).

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

8564164 is a wasteful number, since it uses less digits than its factorization.

8564164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 290 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 8564164 is about 2926.4592940959. The cubic root of 8564164 is about 204.5949885812.

The spelling of 8564164 in words is "eight million, five hundred sixty-four thousand, one hundred sixty-four".