99166201 has 4 divisors (see below), whose sum is σ = 100043892. Its totient is φ = 98288512.

The previous prime is 99166189. The next prime is 99166229. The reversal of 99166201 is 10266199.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45158400 + 54007801 = 6720^2 + 7349^2 .

It is a cyclic number.

It is not a de Polignac number, because 99166201 - 2⁵ = 99166169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99166261) 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, 438676 + ... + 438901.

It is an arithmetic number, because the mean of its divisors is an integer number (25010973).

Almost surely, 2^99166201 is an apocalyptic number.

It is an amenable number.

99166201 is a deficient number, since it is larger than the sum of its proper divisors (877691).

99166201 is a wasteful number, since it uses less digits than its factorization.

99166201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877690.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 99166201 is about 9958.2227832079. Note that the first 3 decimals coincide. The cubic root of 99166201 is about 462.8652304738.

The spelling of 99166201 in words is "ninety-nine million, one hundred sixty-six thousand, two hundred one".