96666569881 has 4 divisors (see below), whose sum is σ = 110476079872. Its totient is φ = 82857059892.

The previous prime is 96666569873. The next prime is 96666569959. The reversal of 96666569881 is 18896566669.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 96666569881 - 2³ = 96666569873 is a prime.

It is a super-2 number, since 2×96666569881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 96666569881.

It is not an unprimeable number, because it can be changed into a prime (96666569801) 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 3 ways as a sum of consecutive naturals, for example, 6904754985 + ... + 6904754998.

It is an arithmetic number, because the mean of its divisors is an integer number (27619019968).

Almost surely, 2^96666569881 is an apocalyptic number.

It is an amenable number.

96666569881 is a deficient number, since it is larger than the sum of its proper divisors (13809509991).

96666569881 is a wasteful number, since it uses less digits than its factorization.

96666569881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13809509990.

The product of its digits is 201553920, while the sum is 70.

The spelling of 96666569881 in words is "ninety-six billion, six hundred sixty-six million, five hundred sixty-nine thousand, eight hundred eighty-one".