663468454 has 8 divisors (see below), whose sum is σ = 1085675688. Its totient is φ = 301576560.

The previous prime is 663468451. The next prime is 663468473. The reversal of 663468454 is 454864366.

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 (663468451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15078807 + ... + 15078850.

It is an arithmetic number, because the mean of its divisors is an integer number (135709461).

Almost surely, 2^663468454 is an apocalyptic number.

663468454 is a deficient number, since it is larger than the sum of its proper divisors (422207234).

663468454 is a wasteful number, since it uses less digits than its factorization.

663468454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30157670.

The product of its digits is 1658880, while the sum is 46.

The square root of 663468454 is about 25757.8813957981. The cubic root of 663468454 is about 872.1812768412.

The spelling of 663468454 in words is "six hundred sixty-three million, four hundred sixty-eight thousand, four hundred fifty-four".