549066966 has 16 divisors (see below), whose sum is σ = 1255010304. Its totient is φ = 156876264.

The previous prime is 549066961. The next prime is 549066983. The reversal of 549066966 is 669660945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549066961) 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, 6536470 + ... + 6536553.

It is an arithmetic number, because the mean of its divisors is an integer number (78438144).

Almost surely, 2^549066966 is an apocalyptic number.

549066966 is an abundant number, since it is smaller than the sum of its proper divisors (705943338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549066966 is a wasteful number, since it uses less digits than its factorization.

549066966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13073035.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The square root of 549066966 is about 23432.1780037623. The cubic root of 549066966 is about 818.8577025459.

The spelling of 549066966 in words is "five hundred forty-nine million, sixty-six thousand, nine hundred sixty-six".