89116665216 has 64 divisors (see below), whose sum is σ = 244352179200. Its totient is φ = 28747307520.

The previous prime is 89116665167. The next prime is 89116665217. The reversal of 89116665216 is 61256661198.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89116665217) by changing a digit.

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, 3731236 + ... + 3755043.

It is an arithmetic number, because the mean of its divisors is an integer number (3818002800).

Almost surely, 2^89116665216 is an apocalyptic number.

It is an amenable number.

89116665216 is an abundant number, since it is smaller than the sum of its proper divisors (155235513984).

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

89116665216 is a wasteful number, since it uses less digits than its factorization.

89116665216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486327 (or 7486315 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The spelling of 89116665216 in words is "eighty-nine billion, one hundred sixteen million, six hundred sixty-five thousand, two hundred sixteen".