273444161 has 8 divisors (see below), whose sum is σ = 284148480. Its totient is φ = 262824912.

The previous prime is 273444107. The next prime is 273444179. The reversal of 273444161 is 161444372.

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

It is a de Polignac number, because none of the positive numbers 2^k-273444161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273444361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14675 + ... + 27608.

It is an arithmetic number, because the mean of its divisors is an integer number (35518560).

Almost surely, 2^273444161 is an apocalyptic number.

It is an amenable number.

273444161 is a deficient number, since it is larger than the sum of its proper divisors (10704319).

273444161 is a wasteful number, since it uses less digits than its factorization.

273444161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42535.

The product of its digits is 16128, while the sum is 32.

The square root of 273444161 is about 16536.1471026355. The cubic root of 273444161 is about 649.0670331196.

The spelling of 273444161 in words is "two hundred seventy-three million, four hundred forty-four thousand, one hundred sixty-one".