550540166 has 8 divisors (see below), whose sum is σ = 900883944. Its totient is φ = 250245520.

The previous prime is 550540163. The next prime is 550540183. The reversal of 550540166 is 661045055.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550540163) 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 3 ways as a sum of consecutive naturals, for example, 12512255 + ... + 12512298.

It is an arithmetic number, because the mean of its divisors is an integer number (112610493).

Almost surely, 2^550540166 is an apocalyptic number.

550540166 is a deficient number, since it is larger than the sum of its proper divisors (350343778).

550540166 is a wasteful number, since it uses less digits than its factorization.

550540166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25024566.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 550540166 is about 23463.5923507037. The cubic root of 550540166 is about 819.5894067746.

The spelling of 550540166 in words is "five hundred fifty million, five hundred forty thousand, one hundred sixty-six".