165447283 has 2 divisors, whose sum is σ = 165447284. Its totient is φ = 165447282.

The previous prime is 165447241. The next prime is 165447287. The reversal of 165447283 is 382744561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165447283 - 2¹³ = 165439091 is a prime.

It is not a weakly prime, because it can be changed into another prime (165447287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82723641 + 82723642.

It is an arithmetic number, because the mean of its divisors is an integer number (82723642).

Almost surely, 2^165447283 is an apocalyptic number.

165447283 is a deficient number, since it is larger than the sum of its proper divisors (1).

165447283 is an equidigital number, since it uses as much as digits as its factorization.

165447283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The square root of 165447283 is about 12862.6312626927. The cubic root of 165447283 is about 548.9758163120.

The spelling of 165447283 in words is "one hundred sixty-five million, four hundred forty-seven thousand, two hundred eighty-three".