165852480667 has 2 divisors, whose sum is σ = 165852480668. Its totient is φ = 165852480666.

The previous prime is 165852480659. The next prime is 165852480679. The reversal of 165852480667 is 766084258561.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165852480667 - 2³ = 165852480659 is a prime.

It is not a weakly prime, because it can be changed into another prime (165852480617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82926240333 + 82926240334.

It is an arithmetic number, because the mean of its divisors is an integer number (82926240334).

Almost surely, 2^165852480667 is an apocalyptic number.

165852480667 is a deficient number, since it is larger than the sum of its proper divisors (1).

165852480667 is an equidigital number, since it uses as much as digits as its factorization.

165852480667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 165852480667 in words is "one hundred sixty-five billion, eight hundred fifty-two million, four hundred eighty thousand, six hundred sixty-seven".