9801166 has 8 divisors (see below), whose sum is σ = 14716944. Its totient is φ = 4895520.

The previous prime is 9801157. The next prime is 9801167. The reversal of 9801166 is 6611089.

It is a happy number.

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 (9801167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726 + ... + 4486.

It is an arithmetic number, because the mean of its divisors is an integer number (1839618).

Almost surely, 2^9801166 is an apocalyptic number.

9801166 is a deficient number, since it is larger than the sum of its proper divisors (4915778).

9801166 is a wasteful number, since it uses less digits than its factorization.

9801166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 9801166 is about 3130.6813954793. The cubic root of 9801166 is about 214.0059828880.

The spelling of 9801166 in words is "nine million, eight hundred one thousand, one hundred sixty-six".