549118066 has 16 divisors (see below), whose sum is σ = 971712000. Its totient is φ = 227744640.

The previous prime is 549118033. The next prime is 549118079. The reversal of 549118066 is 660811945.

It is an unprimeable number.

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, 632191 + ... + 633058.

It is an arithmetic number, because the mean of its divisors is an integer number (60732000).

Almost surely, 2^549118066 is an apocalyptic number.

549118066 is a deficient number, since it is larger than the sum of its proper divisors (422593934).

549118066 is a wasteful number, since it uses less digits than its factorization.

549118066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265289.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 549118066 is about 23433.2683593220. The cubic root of 549118066 is about 818.8831046269.

The spelling of 549118066 in words is "five hundred forty-nine million, one hundred eighteen thousand, sixty-six".