16085231856 has 40 divisors (see below), whose sum is σ = 46170574160. Its totient is φ = 5361743808.

The previous prime is 16085231849. The next prime is 16085231867. The reversal of 16085231856 is 65813258061.

16085231856 is a `hidden beast` number, since 1 + 60 + 8 + 523 + 18 + 56 = 666.

16085231856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16085231856² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 18616735 + ... + 18617598.

It is an arithmetic number, because the mean of its divisors is an integer number (1154264354).

Almost surely, 2^16085231856 is an apocalyptic number.

16085231856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16085231856 is an abundant number, since it is smaller than the sum of its proper divisors (30085342304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16085231856 is a wasteful number, since it uses less digits than its factorization.

16085231856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37234350 (or 37234338 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 16085231856 in words is "sixteen billion, eighty-five million, two hundred thirty-one thousand, eight hundred fifty-six".