663487464 has 32 divisors (see below), whose sum is σ = 1669860000. Its totient is φ = 219676992.

The previous prime is 663487459. The next prime is 663487471. The reversal of 663487464 is 464784366.

It is a super-2 number, since 2×663487464² = 880431229770302592, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 89194 + ... + 96345.

It is an arithmetic number, because the mean of its divisors is an integer number (52183125).

Almost surely, 2^663487464 is an apocalyptic number.

It is an amenable number.

663487464 is an abundant number, since it is smaller than the sum of its proper divisors (1006372536).

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

663487464 is a wasteful number, since it uses less digits than its factorization.

663487464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185697 (or 185693 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 48.

The square root of 663487464 is about 25758.2504064232. The cubic root of 663487464 is about 872.1896068066.

The spelling of 663487464 in words is "six hundred sixty-three million, four hundred eighty-seven thousand, four hundred sixty-four".