202943161 has 16 divisors (see below), whose sum is σ = 227145600. Its totient is φ = 180188928.

The previous prime is 202943159. The next prime is 202943171. The reversal of 202943161 is 161349202.

It is a cyclic number.

It is not a de Polignac number, because 202943161 - 2¹ = 202943159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202943171) 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 in 15 ways as a sum of consecutive naturals, for example, 83755 + ... + 86143.

It is an arithmetic number, because the mean of its divisors is an integer number (14196600).

Almost surely, 2^202943161 is an apocalyptic number.

It is an amenable number.

202943161 is a deficient number, since it is larger than the sum of its proper divisors (24202439).

202943161 is a wasteful number, since it uses less digits than its factorization.

202943161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 202943161 is about 14245.8120512662. The cubic root of 202943161 is about 587.6582085464.

The spelling of 202943161 in words is "two hundred two million, nine hundred forty-three thousand, one hundred sixty-one".