164226497 has 2 divisors, whose sum is σ = 164226498. Its totient is φ = 164226496.

The previous prime is 164226493. The next prime is 164226527. The reversal of 164226497 is 794622461.

164226497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113018161 + 51208336 = 10631^2 + 7156^2 .

It is an emirp because it is prime and its reverse (794622461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164226497 - 2² = 164226493 is a prime.

It is not a weakly prime, because it can be changed into another prime (164226493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82113248 + 82113249.

It is an arithmetic number, because the mean of its divisors is an integer number (82113249).

Almost surely, 2^164226497 is an apocalyptic number.

It is an amenable number.

164226497 is a deficient number, since it is larger than the sum of its proper divisors (1).

164226497 is an equidigital number, since it uses as much as digits as its factorization.

164226497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 164226497 is about 12815.0886458112. The cubic root of 164226497 is about 547.6222388528.

The spelling of 164226497 in words is "one hundred sixty-four million, two hundred twenty-six thousand, four hundred ninety-seven".