165020363 has 2 divisors, whose sum is σ = 165020364. Its totient is φ = 165020362.

The previous prime is 165020327. The next prime is 165020389. The reversal of 165020363 is 363020561.

It is an a-pointer prime, because the next prime (165020389) can be obtained adding 165020363 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165020363 - 2⁶ = 165020299 is a prime.

It is not a weakly prime, because it can be changed into another prime (165023363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82510181 + 82510182.

It is an arithmetic number, because the mean of its divisors is an integer number (82510182).

Almost surely, 2^165020363 is an apocalyptic number.

165020363 is a deficient number, since it is larger than the sum of its proper divisors (1).

165020363 is an equidigital number, since it uses as much as digits as its factorization.

165020363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 165020363 is about 12846.0251829116. The cubic root of 165020363 is about 548.5032173688.

The spelling of 165020363 in words is "one hundred sixty-five million, twenty thousand, three hundred sixty-three".