449806166 has 4 divisors (see below), whose sum is σ = 674709252. Its totient is φ = 224903082.

The previous prime is 449806163. The next prime is 449806223. The reversal of 449806166 is 661608944.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449806163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112451540 + ... + 112451543.

It is an arithmetic number, because the mean of its divisors is an integer number (168677313).

Almost surely, 2^449806166 is an apocalyptic number.

449806166 is a deficient number, since it is larger than the sum of its proper divisors (224903086).

449806166 is a wasteful number, since it uses less digits than its factorization.

449806166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224903085.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 449806166 is about 21208.6342323121. The cubic root of 449806166 is about 766.1993893160.

The spelling of 449806166 in words is "four hundred forty-nine million, eight hundred six thousand, one hundred sixty-six".