164196911 has 2 divisors, whose sum is σ = 164196912. Its totient is φ = 164196910.

The previous prime is 164196881. The next prime is 164196913. The reversal of 164196911 is 119691461.

It is a strong prime.

It is an emirp because it is prime and its reverse (119691461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164196911 is a prime.

Together with 164196913, 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 (164196913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82098455 + 82098456.

It is an arithmetic number, because the mean of its divisors is an integer number (82098456).

Almost surely, 2^164196911 is an apocalyptic number.

164196911 is a deficient number, since it is larger than the sum of its proper divisors (1).

164196911 is an equidigital number, since it uses as much as digits as its factorization.

164196911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 38.

The square root of 164196911 is about 12813.9342514311. The cubic root of 164196911 is about 547.5893514993.

It can be divided in two parts, 1641 and 96911, that multiplied together give a palindrome (159030951).

The spelling of 164196911 in words is "one hundred sixty-four million, one hundred ninety-six thousand, nine hundred eleven".