202161606 has 16 divisors (see below), whose sum is σ = 409195584. Its totient is φ = 66575144.

The previous prime is 202161593. The next prime is 202161607. The reversal of 202161606 is 606161202.

202161606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202161607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202476 + ... + 203471.

It is an arithmetic number, because the mean of its divisors is an integer number (25574724).

Almost surely, 2^202161606 is an apocalyptic number.

202161606 is an abundant number, since it is smaller than the sum of its proper divisors (207033978).

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

202161606 is a wasteful number, since it uses less digits than its factorization.

202161606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406035.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 202161606 is about 14218.3545461491. The cubic root of 202161606 is about 586.9028606598.

The spelling of 202161606 in words is "two hundred two million, one hundred sixty-one thousand, six hundred six".