164441365 has 16 divisors (see below), whose sum is σ = 220522176. Its totient is φ = 116675200.

The previous prime is 164441359. The next prime is 164441369. The reversal of 164441365 is 563144461.

164441365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-164441365 is a prime.

It is a super-3 number, since 3×164441365³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164441365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164441369) 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, 34207 + ... + 38716.

It is an arithmetic number, because the mean of its divisors is an integer number (13782636).

Almost surely, 2^164441365 is an apocalyptic number.

It is an amenable number.

164441365 is a deficient number, since it is larger than the sum of its proper divisors (56080811).

164441365 is a wasteful number, since it uses less digits than its factorization.

164441365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72980.

The product of its digits is 34560, while the sum is 34.

The square root of 164441365 is about 12823.4693043653. The cubic root of 164441365 is about 547.8609644701.

The spelling of 164441365 in words is "one hundred sixty-four million, four hundred forty-one thousand, three hundred sixty-five".