165852480679 has 2 divisors, whose sum is σ = 165852480680. Its totient is φ = 165852480678.

The previous prime is 165852480667. The next prime is 165852480721. The reversal of 165852480679 is 976084258561.

It is a weak prime.

It is an emirp because it is prime and its reverse (976084258561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165852480679 - 2²¹ = 165850383527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165852480659) 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, 82926240339 + 82926240340.

It is an arithmetic number, because the mean of its divisors is an integer number (82926240340).

Almost surely, 2^165852480679 is an apocalyptic number.

165852480679 is a deficient number, since it is larger than the sum of its proper divisors (1).

165852480679 is an equidigital number, since it uses as much as digits as its factorization.

165852480679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 165852480679 in words is "one hundred sixty-five billion, eight hundred fifty-two million, four hundred eighty thousand, six hundred seventy-nine".