165934343 has 4 divisors (see below), whose sum is σ = 166595688. Its totient is φ = 165273000.

The previous prime is 165934337. The next prime is 165934369. The reversal of 165934343 is 343439561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165934343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165934297 and 165934306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165934333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330296 + ... + 330797.

It is an arithmetic number, because the mean of its divisors is an integer number (41648922).

Almost surely, 2^165934343 is an apocalyptic number.

165934343 is a deficient number, since it is larger than the sum of its proper divisors (661345).

165934343 is an equidigital number, since it uses as much as digits as its factorization.

165934343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661344.

The product of its digits is 116640, while the sum is 38.

The square root of 165934343 is about 12881.5504889745. The cubic root of 165934343 is about 549.5139982243.

The spelling of 165934343 in words is "one hundred sixty-five million, nine hundred thirty-four thousand, three hundred forty-three".