202166164 has 6 divisors (see below), whose sum is σ = 353790794. Its totient is φ = 101083080.

The previous prime is 202166161. The next prime is 202166179. The reversal of 202166164 is 461661202.

202166164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 201924100 + 242064 = 14210^2 + 492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202166161) 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 as a sum of consecutive naturals, namely, 25270767 + ... + 25270774.

Almost surely, 2^202166164 is an apocalyptic number.

It is an amenable number.

202166164 is a deficient number, since it is larger than the sum of its proper divisors (151624630).

202166164 is a wasteful number, since it uses less digits than its factorization.

202166164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50541545 (or 50541543 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 202166164 is about 14218.5148310223. The cubic root of 202166164 is about 586.9072714596.

The spelling of 202166164 in words is "two hundred two million, one hundred sixty-six thousand, one hundred sixty-four".