165740351444343 has 12 divisors (see below), whose sum is σ = 257818324469160. Its totient is φ = 101994062427216.

The previous prime is 165740351444329. The next prime is 165740351444387. The reversal of 165740351444343 is 343444153047561.

165740351444343 is a `hidden beast` number, since 1 + 6 + 5 + 7 + 40 + 3 + 514 + 4 + 43 + 43 = 666.

It is not a de Polignac number, because 165740351444343 - 2⁴² = 161342304933239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165740351444343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165740351444243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708292100073 + ... + 708292100306.

It is an arithmetic number, because the mean of its divisors is an integer number (21484860372430).

Almost surely, 2^{165740351444343} is an apocalyptic number.

165740351444343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

165740351444343 is a deficient number, since it is larger than the sum of its proper divisors (92077973024817).

165740351444343 is a wasteful number, since it uses less digits than its factorization.

165740351444343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416584200398 (or 1416584200395 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 54.

The spelling of 165740351444343 in words is "one hundred sixty-five trillion, seven hundred forty billion, three hundred fifty-one million, four hundred forty-four thousand, three hundred forty-three".