164203229 has 2 divisors, whose sum is σ = 164203230. Its totient is φ = 164203228.

The previous prime is 164203223. The next prime is 164203231. The reversal of 164203229 is 922302461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160706329 + 3496900 = 12677^2 + 1870^2 .

It is a cyclic number.

It is not a de Polignac number, because 164203229 - 2⁴ = 164203213 is a prime.

Together with 164203231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164203223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82101614 + 82101615.

It is an arithmetic number, because the mean of its divisors is an integer number (82101615).

Almost surely, 2^164203229 is an apocalyptic number.

It is an amenable number.

164203229 is a deficient number, since it is larger than the sum of its proper divisors (1).

164203229 is an equidigital number, since it uses as much as digits as its factorization.

164203229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 164203229 is about 12814.1807775605. The cubic root of 164203229 is about 547.5963748250.

The spelling of 164203229 in words is "one hundred sixty-four million, two hundred three thousand, two hundred twenty-nine".