169564 has 6 divisors (see below), whose sum is σ = 296744. Its totient is φ = 84780.

The previous prime is 169553. The next prime is 169567. The reversal of 169564 is 465961.

169564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21192 + ... + 21199.

2¹⁶⁹⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

169564 is a deficient number, since it is larger than the sum of its proper divisors (127180).

169564 is a wasteful number, since it uses less digits than its factorization.

169564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42395 (or 42393 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 169564 is about 411.7814954560. The cubic root of 169564 is about 55.3491833757.

The spelling of 169564 in words is "one hundred sixty-nine thousand, five hundred sixty-four".