165288043 has 2 divisors, whose sum is σ = 165288044. Its totient is φ = 165288042.

The previous prime is 165288037. The next prime is 165288061. The reversal of 165288043 is 340882561.

It is a happy number.

165288043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (340882561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165288043 - 2²⁵ = 131733611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165287993 and 165288011.

It is not a weakly prime, because it can be changed into another prime (165283043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82644021 + 82644022.

It is an arithmetic number, because the mean of its divisors is an integer number (82644022).

Almost surely, 2^165288043 is an apocalyptic number.

165288043 is a deficient number, since it is larger than the sum of its proper divisors (1).

165288043 is an equidigital number, since it uses as much as digits as its factorization.

165288043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 165288043 is about 12856.4397482351. The cubic root of 165288043 is about 548.7996333636.

The spelling of 165288043 in words is "one hundred sixty-five million, two hundred eighty-eight thousand, forty-three".