272980161 has 24 divisors (see below), whose sum is σ = 413674560. Its totient is φ = 173224800.

The previous prime is 272980153. The next prime is 272980181. The reversal of 272980161 is 161089272.

It is not a de Polignac number, because 272980161 - 2³ = 272980153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272980181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11166 + ... + 25896.

It is an arithmetic number, because the mean of its divisors is an integer number (17236440).

Almost surely, 2^272980161 is an apocalyptic number.

It is an amenable number.

272980161 is a deficient number, since it is larger than the sum of its proper divisors (140694399).

272980161 is a wasteful number, since it uses less digits than its factorization.

272980161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14837 (or 14834 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 272980161 is about 16522.1112754999. Note that the first 3 decimals coincide. The cubic root of 272980161 is about 648.6996971700.

The spelling of 272980161 in words is "two hundred seventy-two million, nine hundred eighty thousand, one hundred sixty-one".