85168254425665 has 32 divisors (see below), whose sum is σ = 104509033906176. Its totient is φ = 66600219280320.

The previous prime is 85168254425633. The next prime is 85168254425707. The reversal of 85168254425665 is 56652445286158.

It is not a de Polignac number, because 85168254425665 - 2⁵ = 85168254425633 is a prime.

It is a super-3 number, since 3×85168254425665³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85168254425665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2442363180 + ... + 2442398050.

It is an arithmetic number, because the mean of its divisors is an integer number (3265907309568).

Almost surely, 2^{85168254425665} is an apocalyptic number.

It is an amenable number.

85168254425665 is a deficient number, since it is larger than the sum of its proper divisors (19340779480511).

85168254425665 is a wasteful number, since it uses less digits than its factorization.

85168254425665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47829.

The product of its digits is 552960000, while the sum is 67.

The spelling of 85168254425665 in words is "eighty-five trillion, one hundred sixty-eight billion, two hundred fifty-four million, four hundred twenty-five thousand, six hundred sixty-five".