202406166 has 12 divisors (see below), whose sum is σ = 438546732. Its totient is φ = 67468716.

The previous prime is 202406147. The next prime is 202406189. The reversal of 202406166 is 661604202.

It is a happy number.

202406166 is a `hidden beast` number, since 2 + 0 + 2 + 40 + 616 + 6 = 666.

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 5622376 + ... + 5622411.

It is an arithmetic number, because the mean of its divisors is an integer number (36545561).

Almost surely, 2^202406166 is an apocalyptic number.

202406166 is an abundant number, since it is smaller than the sum of its proper divisors (236140566).

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

202406166 is a wasteful number, since it uses less digits than its factorization.

202406166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244795 (or 11244792 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 202406166 is about 14226.9520980426. The cubic root of 202406166 is about 587.1394290284.

The spelling of 202406166 in words is "two hundred two million, four hundred six thousand, one hundred sixty-six".