449822166 has 8 divisors (see below), whose sum is σ = 899644344. Its totient is φ = 149940720.

The previous prime is 449822147. The next prime is 449822171. The reversal of 449822166 is 661228944.

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

449822166 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 37485175 + ... + 37485186.

It is an arithmetic number, because the mean of its divisors is an integer number (112455543).

Almost surely, 2^449822166 is an apocalyptic number.

449822166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

449822166 is a wasteful number, since it uses less digits than its factorization.

449822166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74970366.

The product of its digits is 165888, while the sum is 42.

The square root of 449822166 is about 21209.0114338222. The cubic root of 449822166 is about 766.2084740032.

The spelling of 449822166 in words is "four hundred forty-nine million, eight hundred twenty-two thousand, one hundred sixty-six".