164964229 has 4 divisors (see below), whose sum is σ = 165158476. Its totient is φ = 164769984.

The previous prime is 164964221. The next prime is 164964269. The reversal of 164964229 is 922469461.

164964229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 922469461 = 101 ⋅9133361.

It can be written as a sum of positive squares in 2 ways, for example, as 27019204 + 137945025 = 5198^2 + 11745^2 .

It is a cyclic number.

It is not a de Polignac number, because 164964229 - 2³ = 164964221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164964221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95844 + ... + 97549.

It is an arithmetic number, because the mean of its divisors is an integer number (41289619).

Almost surely, 2^164964229 is an apocalyptic number.

It is an amenable number.

164964229 is a deficient number, since it is larger than the sum of its proper divisors (194247).

164964229 is an equidigital number, since it uses as much as digits as its factorization.

164964229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194246.

The product of its digits is 186624, while the sum is 43.

The square root of 164964229 is about 12843.8401189052. The cubic root of 164964229 is about 548.4410166180.

The spelling of 164964229 in words is "one hundred sixty-four million, nine hundred sixty-four thousand, two hundred twenty-nine".