229664165 has 8 divisors (see below), whose sum is σ = 282319128. Its totient is φ = 179249920.

The previous prime is 229664159. The next prime is 229664209. The reversal of 229664165 is 561466922.

It is a happy number.

229664165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12013156 + 217651009 = 3466^2 + 14753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229664165 - 2¹⁸ = 229402021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559952 + ... + 560361.

It is an arithmetic number, because the mean of its divisors is an integer number (35289891).

Almost surely, 2^229664165 is an apocalyptic number.

It is an amenable number.

229664165 is a deficient number, since it is larger than the sum of its proper divisors (52654963).

229664165 is a wasteful number, since it uses less digits than its factorization.

229664165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120359.

The product of its digits is 155520, while the sum is 41.

The square root of 229664165 is about 15154.6746913287. The cubic root of 229664165 is about 612.3942141338.

The spelling of 229664165 in words is "two hundred twenty-nine million, six hundred sixty-four thousand, one hundred sixty-five".