108985532866 has 32 divisors (see below), whose sum is σ = 199637412480. Its totient is φ = 43557232896.

The previous prime is 108985532783. The next prime is 108985532899. The reversal of 108985532866 is 668235589801.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2074620 + ... + 2126503.

It is an arithmetic number, because the mean of its divisors is an integer number (6238669140).

Almost surely, 2^108985532866 is an apocalyptic number.

108985532866 is a deficient number, since it is larger than the sum of its proper divisors (90651879614).

108985532866 is a wasteful number, since it uses less digits than its factorization.

108985532866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201258.

The product of its (nonzero) digits is 24883200, while the sum is 61.

The spelling of 108985532866 in words is "one hundred eight billion, nine hundred eighty-five million, five hundred thirty-two thousand, eight hundred sixty-six".