164838203 has 2 divisors, whose sum is σ = 164838204. Its totient is φ = 164838202.

The previous prime is 164838199. The next prime is 164838229. The reversal of 164838203 is 302838461.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (302838461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164838203 - 2² = 164838199 is a prime.

It is a super-4 number, since 4×164838203⁴ (a number of 34 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (164838403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82419101 + 82419102.

It is an arithmetic number, because the mean of its divisors is an integer number (82419102).

Almost surely, 2^164838203 is an apocalyptic number.

164838203 is a deficient number, since it is larger than the sum of its proper divisors (1).

164838203 is an equidigital number, since it uses as much as digits as its factorization.

164838203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 164838203 is about 12838.9330943034. The cubic root of 164838203 is about 548.3013187847.

The spelling of 164838203 in words is "one hundred sixty-four million, eight hundred thirty-eight thousand, two hundred three".