272161187 has 8 divisors (see below), whose sum is σ = 286664400. Its totient is φ = 257675904.

The previous prime is 272161151. The next prime is 272161217. The reversal of 272161187 is 781161272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272161187 - 2¹⁶ = 272095651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272161117) 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 7 ways as a sum of consecutive naturals, for example, 36263 + ... + 43119.

It is an arithmetic number, because the mean of its divisors is an integer number (35833050).

Almost surely, 2^272161187 is an apocalyptic number.

272161187 is a deficient number, since it is larger than the sum of its proper divisors (14503213).

272161187 is a wasteful number, since it uses less digits than its factorization.

272161187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8965.

The product of its digits is 9408, while the sum is 35.

The square root of 272161187 is about 16497.3084774456. The cubic root of 272161187 is about 648.0503210871.

The spelling of 272161187 in words is "two hundred seventy-two million, one hundred sixty-one thousand, one hundred eighty-seven".