85017668181500 has 48 divisors (see below), whose sum is σ = 185754781430400. Its totient is φ = 33993112305600.

The previous prime is 85017668181487. The next prime is 85017668181533. The reversal of 85017668181500 is 518186671058.

85017668181500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33667700 + ... + 36104699.

It is an arithmetic number, because the mean of its divisors is an integer number (3869891279800).

Almost surely, 2^{85017668181500} is an apocalyptic number.

It is an amenable number.

85017668181500 is an abundant number, since it is smaller than the sum of its proper divisors (100737113248900).

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

85017668181500 is a wasteful number, since it uses less digits than its factorization.

85017668181500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69774855 (or 69774843 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 56.

The spelling of 85017668181500 in words is "eighty-five trillion, seventeen billion, six hundred sixty-eight million, one hundred eighty-one thousand, five hundred".