165280063499 has 2 divisors, whose sum is σ = 165280063500. Its totient is φ = 165280063498.

The previous prime is 165280063489. The next prime is 165280063511. The reversal of 165280063499 is 994360082561.

165280063499 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 a cyclic number.

It is not a de Polignac number, because 165280063499 - 2⁴ = 165280063483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165280063499.

It is not a weakly prime, because it can be changed into another prime (165280063489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82640031749 + 82640031750.

It is an arithmetic number, because the mean of its divisors is an integer number (82640031750).

Almost surely, 2^165280063499 is an apocalyptic number.

165280063499 is a deficient number, since it is larger than the sum of its proper divisors (1).

165280063499 is an equidigital number, since it uses as much as digits as its factorization.

165280063499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 165280063499 in words is "one hundred sixty-five billion, two hundred eighty million, sixty-three thousand, four hundred ninety-nine".