648148148148 has 24 divisors (see below), whose sum is σ = 1513408505728. Its totient is φ = 215897550336.

The previous prime is 648148148093. The next prime is 648148148173. The reversal of 648148148148 is 841841841846.

648148148148 is a modest number, since divided by 148148148 gives 648 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18961261 + ... + 18995412.

Almost surely, 2^648148148148 is an apocalyptic number.

It is an amenable number.

648148148148 is an abundant number, since it is smaller than the sum of its proper divisors (865260357580).

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

648148148148 is a wasteful number, since it uses less digits than its factorization.

648148148148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37958103 (or 37958101 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 57.

The spelling of 648148148148 in words is "six hundred forty-eight billion, one hundred forty-eight million, one hundred forty-eight thousand, one hundred forty-eight".