165070943 has 2 divisors, whose sum is σ = 165070944. Its totient is φ = 165070942.

The previous prime is 165070907. The next prime is 165070951. The reversal of 165070943 is 349070561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165070943 - 2⁸ = 165070687 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 (165070963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82535471 + 82535472.

It is an arithmetic number, because the mean of its divisors is an integer number (82535472).

Almost surely, 2^165070943 is an apocalyptic number.

165070943 is a deficient number, since it is larger than the sum of its proper divisors (1).

165070943 is an equidigital number, since it uses as much as digits as its factorization.

165070943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 165070943 is about 12847.9937344318. The cubic root of 165070943 is about 548.5592517842.

The spelling of 165070943 in words is "one hundred sixty-five million, seventy thousand, nine hundred forty-three".