164743375319 has 2 divisors, whose sum is σ = 164743375320. Its totient is φ = 164743375318.

The previous prime is 164743375289. The next prime is 164743375397. The reversal of 164743375319 is 913573347461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164743375319 is a prime.

It is a super-3 number, since 3×164743375319³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164743371319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82371687659 + 82371687660.

It is an arithmetic number, because the mean of its divisors is an integer number (82371687660).

Almost surely, 2^164743375319 is an apocalyptic number.

164743375319 is a deficient number, since it is larger than the sum of its proper divisors (1).

164743375319 is an equidigital number, since it uses as much as digits as its factorization.

164743375319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 53.

The spelling of 164743375319 in words is "one hundred sixty-four billion, seven hundred forty-three million, three hundred seventy-five thousand, three hundred nineteen".