164351243340343 has 4 divisors (see below), whose sum is σ = 164457757433488. Its totient is φ = 164244729247200.

The previous prime is 164351243340341. The next prime is 164351243340367. The reversal of 164351243340343 is 343043342153461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164351243340343 - 2¹ = 164351243340341 is a prime.

It is a super-2 number, since 2×164351243340343² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164351243340293 and 164351243340302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164351243340341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53257044258 + ... + 53257047343.

It is an arithmetic number, because the mean of its divisors is an integer number (41114439358372).

Almost surely, 2^{164351243340343} is an apocalyptic number.

164351243340343 is a deficient number, since it is larger than the sum of its proper divisors (106514093145).

164351243340343 is a wasteful number, since it uses less digits than its factorization.

164351243340343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106514093144.

The product of its (nonzero) digits is 3732480, while the sum is 46.

The spelling of 164351243340343 in words is "one hundred sixty-four trillion, three hundred fifty-one billion, two hundred forty-three million, three hundred forty thousand, three hundred forty-three".