164743375397 has 2 divisors, whose sum is σ = 164743375398. Its totient is φ = 164743375396.

The previous prime is 164743375319. The next prime is 164743375403. The reversal of 164743375397 is 793573347461.

164743375397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99572433601 + 65170941796 = 315551^2 + 255286^2 .

It is a cyclic number.

It is not a de Polignac number, because 164743375397 - 2¹⁴ = 164743359013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164743375997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82371687698 + 82371687699.

It is an arithmetic number, because the mean of its divisors is an integer number (82371687699).

Almost surely, 2^164743375397 is an apocalyptic number.

It is an amenable number.

164743375397 is a deficient number, since it is larger than the sum of its proper divisors (1).

164743375397 is an equidigital number, since it uses as much as digits as its factorization.

164743375397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40007520, while the sum is 59.

The spelling of 164743375397 in words is "one hundred sixty-four billion, seven hundred forty-three million, three hundred seventy-five thousand, three hundred ninety-seven".