164259611597 has 2 divisors, whose sum is σ = 164259611598. Its totient is φ = 164259611596.

The previous prime is 164259611501. The next prime is 164259611617. The reversal of 164259611597 is 795116952461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125563213801 + 38696397796 = 354349^2 + 196714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164259611597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164259611797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82129805798 + 82129805799.

It is an arithmetic number, because the mean of its divisors is an integer number (82129805799).

Almost surely, 2^164259611597 is an apocalyptic number.

It is an amenable number.

164259611597 is a deficient number, since it is larger than the sum of its proper divisors (1).

164259611597 is an equidigital number, since it uses as much as digits as its factorization.

164259611597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 56.

The spelling of 164259611597 in words is "one hundred sixty-four billion, two hundred fifty-nine million, six hundred eleven thousand, five hundred ninety-seven".