549067161 has 32 divisors (see below), whose sum is σ = 774200448. Its totient is φ = 345738240.

The previous prime is 549067159. The next prime is 549067163. The reversal of 549067161 is 161760945.

It is an interprime number because it is at equal distance from previous prime (549067159) and next prime (549067163).

It is not a de Polignac number, because 549067161 - 2¹ = 549067159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549067163) 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 31 ways as a sum of consecutive naturals, for example, 561505 + ... + 562481.

It is an arithmetic number, because the mean of its divisors is an integer number (24193764).

Almost surely, 2^549067161 is an apocalyptic number.

It is an amenable number.

549067161 is a deficient number, since it is larger than the sum of its proper divisors (225133287).

549067161 is a wasteful number, since it uses less digits than its factorization.

549067161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 549067161 is about 23432.1821647067. The cubic root of 549067161 is about 818.8577994844.

The spelling of 549067161 in words is "five hundred forty-nine million, sixty-seven thousand, one hundred sixty-one".