13564164 has 24 divisors (see below), whose sum is σ = 33511968. Its totient is φ = 4255360.

The previous prime is 13564139. The next prime is 13564169. The reversal of 13564164 is 46146531.

13564164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13564169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33042 + ... + 33449.

It is an arithmetic number, because the mean of its divisors is an integer number (1396332).

Almost surely, 2^13564164 is an apocalyptic number.

It is an amenable number.

13564164 is an abundant number, since it is smaller than the sum of its proper divisors (19947804).

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

13564164 is a wasteful number, since it uses less digits than its factorization.

13564164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66515 (or 66513 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 13564164 is about 3682.9558780957. The cubic root of 13564164 is about 238.4867987542.

The spelling of 13564164 in words is "thirteen million, five hundred sixty-four thousand, one hundred sixty-four".