272161011 has 16 divisors (see below), whose sum is σ = 374284800. Its totient is φ = 175781088.

The previous prime is 272161003. The next prime is 272161033. The reversal of 272161011 is 110161272.

It is a happy number.

It is not a de Polignac number, because 272161011 - 2³ = 272161003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272161051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21400 + ... + 31658.

It is an arithmetic number, because the mean of its divisors is an integer number (23392800).

Almost surely, 2^272161011 is an apocalyptic number.

272161011 is a deficient number, since it is larger than the sum of its proper divisors (102123789).

272161011 is a wasteful number, since it uses less digits than its factorization.

272161011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 272161011 is about 16497.3031432413. The cubic root of 272161011 is about 648.0501813943.

The spelling of 272161011 in words is "two hundred seventy-two million, one hundred sixty-one thousand, eleven".