164765868635 has 16 divisors (see below), whose sum is σ = 197987376384. Its totient is φ = 131633934432.

The previous prime is 164765868629. The next prime is 164765868647. The reversal of 164765868635 is 536868567461.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 164765868635 - 2¹⁶ = 164765803099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12842834 + ... + 12855656.

It is an arithmetic number, because the mean of its divisors is an integer number (12374211024).

Almost surely, 2^164765868635 is an apocalyptic number.

164765868635 is a deficient number, since it is larger than the sum of its proper divisors (33221507749).

164765868635 is a wasteful number, since it uses less digits than its factorization.

164765868635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16114.

The product of its digits is 174182400, while the sum is 65.

The spelling of 164765868635 in words is "one hundred sixty-four billion, seven hundred sixty-five million, eight hundred sixty-eight thousand, six hundred thirty-five".