85668230916 has 36 divisors (see below), whose sum is σ = 225965480832. Its totient is φ = 27314508144.

The previous prime is 85668230909. The next prime is 85668230981. The reversal of 85668230916 is 61903286658.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51731196 + ... + 51732851.

It is an arithmetic number, because the mean of its divisors is an integer number (6276818912).

Almost surely, 2^85668230916 is an apocalyptic number.

It is an amenable number.

85668230916 is an abundant number, since it is smaller than the sum of its proper divisors (140297249916).

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

85668230916 is a wasteful number, since it uses less digits than its factorization.

85668230916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103464080 (or 103464075 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 85668230916 in words is "eighty-five billion, six hundred sixty-eight million, two hundred thirty thousand, nine hundred sixteen".