550166198 has 8 divisors (see below), whose sum is σ = 838778160. Its totient is φ = 270573480.

The previous prime is 550166171. The next prime is 550166203. The reversal of 550166198 is 891661055.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254658 + ... + 2254901.

It is an arithmetic number, because the mean of its divisors is an integer number (104847270).

Almost surely, 2^550166198 is an apocalyptic number.

550166198 is a deficient number, since it is larger than the sum of its proper divisors (288611962).

550166198 is a wasteful number, since it uses less digits than its factorization.

550166198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509622.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 550166198 is about 23455.6218847423. The cubic root of 550166198 is about 819.4037892934.

The spelling of 550166198 in words is "five hundred fifty million, one hundred sixty-six thousand, one hundred ninety-eight".