9816958916966 has 8 divisors (see below), whose sum is σ = 15067890430824. Its totient is φ = 4794328773360.

The previous prime is 9816958916953. The next prime is 9816958916969. The reversal of 9816958916966 is 6696198596189.

It is a happy number.

9816958916966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9816958916969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57075342455 + ... + 57075342626.

It is an arithmetic number, because the mean of its divisors is an integer number (1883486303853).

Almost surely, 2^{9816958916966} is an apocalyptic number.

9816958916966 is a deficient number, since it is larger than the sum of its proper divisors (5250931513858).

9816958916966 is a wasteful number, since it uses less digits than its factorization.

9816958916966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114150685126.

The product of its digits is 2720977920, while the sum is 83.

The spelling of 9816958916966 in words is "nine trillion, eight hundred sixteen billion, nine hundred fifty-eight million, nine hundred sixteen thousand, nine hundred sixty-six".