9902166 has 16 divisors (see below), whose sum is σ = 20487600. Its totient is φ = 3186848.

The previous prime is 9902153. The next prime is 9902183. The reversal of 9902166 is 6612099.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28281 + ... + 28628.

It is an arithmetic number, because the mean of its divisors is an integer number (1280475).

Almost surely, 2^9902166 is an apocalyptic number.

9902166 is an abundant number, since it is smaller than the sum of its proper divisors (10585434).

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

9902166 is a wasteful number, since it uses less digits than its factorization.

9902166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56943.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 9902166 is about 3146.7707256805. The cubic root of 9902166 is about 214.7385753505.

The spelling of 9902166 in words is "nine million, nine hundred two thousand, one hundred sixty-six".