550641166 has 8 divisors (see below), whose sum is σ = 869433480. Its totient is φ = 260830008.

The previous prime is 550641163. The next prime is 550641167. The reversal of 550641166 is 661146055.

It is a happy number.

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 (550641163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7245241 + ... + 7245316.

It is an arithmetic number, because the mean of its divisors is an integer number (108679185).

Almost surely, 2^550641166 is an apocalyptic number.

550641166 is a deficient number, since it is larger than the sum of its proper divisors (318792314).

550641166 is a wasteful number, since it uses less digits than its factorization.

550641166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14490578.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 550641166 is about 23465.7445226015. The cubic root of 550641166 is about 819.6395232927.

The spelling of 550641166 in words is "five hundred fifty million, six hundred forty-one thousand, one hundred sixty-six".