549474666 has 16 divisors (see below), whose sum is σ = 1183484064. Its totient is φ = 169069104.

The previous prime is 549474649. The next prime is 549474677. The reversal of 549474666 is 666474945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522196 + ... + 3522351.

It is an arithmetic number, because the mean of its divisors is an integer number (73967754).

Almost surely, 2^549474666 is an apocalyptic number.

549474666 is an abundant number, since it is smaller than the sum of its proper divisors (634009398).

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

549474666 is a wasteful number, since it uses less digits than its factorization.

549474666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044565.

The product of its digits is 4354560, while the sum is 51.

The square root of 549474666 is about 23440.8759648610. The cubic root of 549474666 is about 819.0603285211.

The spelling of 549474666 in words is "five hundred forty-nine million, four hundred seventy-four thousand, six hundred sixty-six".