648316100 has 36 divisors (see below), whose sum is σ = 1480894800. Its totient is φ = 245676960.

The previous prime is 648316091. The next prime is 648316121. The reversal of 648316100 is 1613846.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168710 + ... + 172509.

Almost surely, 2^648316100 is an apocalyptic number.

It is an amenable number.

648316100 is an abundant number, since it is smaller than the sum of its proper divisors (832578700).

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

648316100 is a wasteful number, since it uses less digits than its factorization.

648316100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341252 (or 341245 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 648316100 is about 25462.0521561009. The cubic root of 648316100 is about 865.4904276719.

Adding to 648316100 its reverse (1613846), we get a palindrome (649929946).

The spelling of 648316100 in words is "six hundred forty-eight million, three hundred sixteen thousand, one hundred".