164607197 has 2 divisors, whose sum is σ = 164607198. Its totient is φ = 164607196.

The previous prime is 164607173. The next prime is 164607199. The reversal of 164607197 is 791706461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123787876 + 40819321 = 11126^2 + 6389^2 .

It is a cyclic number.

It is not a de Polignac number, because 164607197 - 2⁸ = 164606941 is a prime.

Together with 164607199, 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 (164607199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82303598 + 82303599.

It is an arithmetic number, because the mean of its divisors is an integer number (82303599).

Almost surely, 2^164607197 is an apocalyptic number.

It is an amenable number.

164607197 is a deficient number, since it is larger than the sum of its proper divisors (1).

164607197 is an equidigital number, since it uses as much as digits as its factorization.

164607197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 164607197 is about 12829.9336319406. The cubic root of 164607197 is about 548.0450672883.

The spelling of 164607197 in words is "one hundred sixty-four million, six hundred seven thousand, one hundred ninety-seven".