450165663 has 12 divisors (see below), whose sum is σ = 671215168. Its totient is φ = 290429280.

The previous prime is 450165659. The next prime is 450165713. The reversal of 450165663 is 366561054.

It is not a de Polignac number, because 450165663 - 2² = 450165659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450166663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806470 + ... + 807027.

Almost surely, 2^450165663 is an apocalyptic number.

450165663 is a deficient number, since it is larger than the sum of its proper divisors (221049505).

450165663 is a wasteful number, since it uses less digits than its factorization.

450165663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613534 (or 1613531 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 450165663 is about 21217.1077906486. The cubic root of 450165663 is about 766.4034572412.

The spelling of 450165663 in words is "four hundred fifty million, one hundred sixty-five thousand, six hundred sixty-three".