164238119 has 2 divisors, whose sum is σ = 164238120. Its totient is φ = 164238118.

The previous prime is 164238103. The next prime is 164238121. The reversal of 164238119 is 911832461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164238119 - 2⁴ = 164238103 is a prime.

It is a super-2 number, since 2×164238119² = 53948319465316322, which contains 22 as substring.

Together with 164238121, 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 (164238619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82119059 + 82119060.

It is an arithmetic number, because the mean of its divisors is an integer number (82119060).

Almost surely, 2^164238119 is an apocalyptic number.

164238119 is a deficient number, since it is larger than the sum of its proper divisors (1).

164238119 is an equidigital number, since it uses as much as digits as its factorization.

164238119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 164238119 is about 12815.5420876372. The cubic root of 164238119 is about 547.6351566131.

It can be divided in two parts, 16423 and 8119, that added together give a palindrome (24542).

The spelling of 164238119 in words is "one hundred sixty-four million, two hundred thirty-eight thousand, one hundred nineteen".