663454264 has 16 divisors (see below), whose sum is σ = 1357065720. Its totient is φ = 301570080.

The previous prime is 663454241. The next prime is 663454273. The reversal of 663454264 is 462454366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3769539 + ... + 3769714.

Almost surely, 2^663454264 is an apocalyptic number.

It is an amenable number.

663454264 is an abundant number, since it is smaller than the sum of its proper divisors (693611456).

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

663454264 is a wasteful number, since it uses less digits than its factorization.

663454264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539270 (or 7539266 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The square root of 663454264 is about 25757.6059446525. The cubic root of 663454264 is about 872.1750588412.

The spelling of 663454264 in words is "six hundred sixty-three million, four hundred fifty-four thousand, two hundred sixty-four".