85534855165 has 16 divisors (see below), whose sum is σ = 102938803200. Its totient is φ = 68230132992.

The previous prime is 85534855163. The next prime is 85534855183. The reversal of 85534855165 is 56155843558.

It is a cyclic number.

It is not a de Polignac number, because 85534855165 - 2¹ = 85534855163 is a prime.

It is a super-2 number, since 2×85534855165² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85534855163) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3106981 + ... + 3134389.

It is an arithmetic number, because the mean of its divisors is an integer number (6433675200).

Almost surely, 2^85534855165 is an apocalyptic number.

It is an amenable number.

85534855165 is a deficient number, since it is larger than the sum of its proper divisors (17403948035).

85534855165 is a wasteful number, since it uses less digits than its factorization.

85534855165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29196.

The product of its digits is 14400000, while the sum is 55.

The spelling of 85534855165 in words is "eighty-five billion, five hundred thirty-four million, eight hundred fifty-five thousand, one hundred sixty-five".