648311016 has 16 divisors (see below), whose sum is σ = 1620777600. Its totient is φ = 216103664.

The previous prime is 648310991. The next prime is 648311017. The reversal of 648311016 is 610113846.

It is not an unprimeable number, because it can be changed into a prime (648311017) 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 3 ways as a sum of consecutive naturals, for example, 13506456 + ... + 13506503.

It is an arithmetic number, because the mean of its divisors is an integer number (101298600).

Almost surely, 2^648311016 is an apocalyptic number.

It is an amenable number.

648311016 is an abundant number, since it is smaller than the sum of its proper divisors (972466584).

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

648311016 is a wasteful number, since it uses less digits than its factorization.

648311016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27012968 (or 27012964 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 648311016 is about 25461.9523210613. The cubic root of 648311016 is about 865.4881653162.

The spelling of 648311016 in words is "six hundred forty-eight million, three hundred eleven thousand, sixteen".