9166805998 has 8 divisors (see below), whose sum is σ = 15714524592. Its totient is φ = 3928631136.

The previous prime is 9166805983. The next prime is 9166806023. The reversal of 9166805998 is 8995086619.

It is a happy number.

9166805998 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 an unprimeable number.

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, 327385915 + ... + 327385942.

It is an arithmetic number, because the mean of its divisors is an integer number (1964315574).

Almost surely, 2^9166805998 is an apocalyptic number.

9166805998 is a deficient number, since it is larger than the sum of its proper divisors (6547718594).

9166805998 is a wasteful number, since it uses less digits than its factorization.

9166805998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654771866.

The product of its (nonzero) digits is 8398080, while the sum is 61.

The square root of 9166805998 is about 95743.4384070261. The cubic root of 9166805998 is about 2092.8559962839.

The spelling of 9166805998 in words is "nine billion, one hundred sixty-six million, eight hundred five thousand, nine hundred ninety-eight".