66463504 has 20 divisors (see below), whose sum is σ = 132928000. Its totient is φ = 32159520.

The previous prime is 66463487. The next prime is 66463511. The reversal of 66463504 is 40536466.

66463504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

66463504 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 66463504.

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, 66504 + ... + 67495.

It is an arithmetic number, because the mean of its divisors is an integer number (6646400).

Almost surely, 2^66463504 is an apocalyptic number.

It is an amenable number.

66463504 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66463504 is a wasteful number, since it uses less digits than its factorization.

66463504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134038 (or 134032 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 66463504 is about 8152.5151947114. The cubic root of 66463504 is about 405.0678217974.

The spelling of 66463504 in words is "sixty-six million, four hundred sixty-three thousand, five hundred four".