450666165 has 16 divisors (see below), whose sum is σ = 730195200. Its totient is φ = 237312192.

The previous prime is 450666121. The next prime is 450666199. The reversal of 450666165 is 561666054.

It is not a de Polignac number, because 450666165 - 2¹⁷ = 450535093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188970 + ... + 191339.

It is an arithmetic number, because the mean of its divisors is an integer number (45637200).

Almost surely, 2^450666165 is an apocalyptic number.

It is an amenable number.

450666165 is a deficient number, since it is larger than the sum of its proper divisors (279529035).

450666165 is a wasteful number, since it uses less digits than its factorization.

450666165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380396.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 450666165 is about 21228.8992884700. The cubic root of 450666165 is about 766.6873855984.

The spelling of 450666165 in words is "four hundred fifty million, six hundred sixty-six thousand, one hundred sixty-five".