648535716 has 36 divisors (see below), whose sum is σ = 1640194192. Its totient is φ = 216067824.

The previous prime is 648535711. The next prime is 648535753. The reversal of 648535716 is 617535846.

648535716 is a `hidden beast` number, since 6 + 48 + 535 + 71 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (648535711) 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 11 ways as a sum of consecutive naturals, for example, 97695 + ... + 104121.

Almost surely, 2^648535716 is an apocalyptic number.

It is an amenable number.

648535716 is an abundant number, since it is smaller than the sum of its proper divisors (991658476).

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

648535716 is a wasteful number, since it uses less digits than its factorization.

648535716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240 (or 9235 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 648535716 is about 25466.3644048380. The cubic root of 648535716 is about 865.5881444530.

The spelling of 648535716 in words is "six hundred forty-eight million, five hundred thirty-five thousand, seven hundred sixteen".