165016343 has 2 divisors, whose sum is σ = 165016344. Its totient is φ = 165016342.

The previous prime is 165016321. The next prime is 165016373. The reversal of 165016343 is 343610561.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165016343 - 2⁶ = 165016279 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165016373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82508171 + 82508172.

It is an arithmetic number, because the mean of its divisors is an integer number (82508172).

Almost surely, 2^165016343 is an apocalyptic number.

165016343 is a deficient number, since it is larger than the sum of its proper divisors (1).

165016343 is an equidigital number, since it uses as much as digits as its factorization.

165016343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 165016343 is about 12845.8687133257. The cubic root of 165016343 is about 548.4987633714.

The spelling of 165016343 in words is "one hundred sixty-five million, sixteen thousand, three hundred forty-three".