164383565 has 8 divisors (see below), whose sum is σ = 199104480. Its totient is φ = 130277392.

The previous prime is 164383561. The next prime is 164383579. The reversal of 164383565 is 565383461.

164383565 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 164383565 - 2² = 164383561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164383561) 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, 153095 + ... + 154164.

It is an arithmetic number, because the mean of its divisors is an integer number (24888060).

Almost surely, 2^164383565 is an apocalyptic number.

It is an amenable number.

164383565 is a deficient number, since it is larger than the sum of its proper divisors (34720915).

164383565 is a wasteful number, since it uses less digits than its factorization.

164383565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307371.

The product of its digits is 259200, while the sum is 41.

The square root of 164383565 is about 12821.2154260039. The cubic root of 164383565 is about 547.7967671707.

The spelling of 164383565 in words is "one hundred sixty-four million, three hundred eighty-three thousand, five hundred sixty-five".