648116504 has 32 divisors (see below), whose sum is σ = 1433625600. Its totient is φ = 268803360.

The previous prime is 648116503. The next prime is 648116509. The reversal of 648116504 is 405611846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648116501) by changing a digit.

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, 184934 + ... + 188405.

It is an arithmetic number, because the mean of its divisors is an integer number (44800800).

Almost surely, 2^648116504 is an apocalyptic number.

It is an amenable number.

648116504 is an abundant number, since it is smaller than the sum of its proper divisors (785509096).

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

648116504 is a wasteful number, since it uses less digits than its factorization.

648116504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373383 (or 373379 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 648116504 is about 25458.1323745478. The cubic root of 648116504 is about 865.4015995224.

The spelling of 648116504 in words is "six hundred forty-eight million, one hundred sixteen thousand, five hundred four".